Why Did Sirius Black Hate Severus Snape In Harry Potter?

Watching their feud throughout the Harry Potter series feels personal, but was Snape's past as a Death Eater and their school rivalry the main trigger for Sirius's lifelong hatred?
2026-04-09 21:08:31
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7 Answers

Best Answer
KateBowen
KateBowen
Careful Explainer Editor
Sirius and Snape's animosity started in their Hogwarts years; Sirius was part of the group that bullied Snape, and that deep-seated mutual contempt just continued into adulthood, fueled by their opposing loyalties and personalities. It’s a classic case of a school rivalry that warps into something much darker. I was reminded of that kind of entrenched, personal hatred while reading 'Hated Luna, Reborn', where the female lead is reborn after being brutally framed and murdered by her fiance. Her entire second life is a cold, calculated pursuit of revenge against him, and the story digs into how that obsessive loathing twists and defines her every action, much like how Sirius and Snape’s past forever poisoned their interactions.
2026-08-05 17:51:38
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Alice
Alice
Reply Helper Teacher
Imagine being 15 years old and someone almost gets you killed for laughs—that's Snape's perspective on Sirius. The werewolf incident was just the tip of the iceberg. Sirius represented everything Snape loathed: the marauders' popularity, their constant harassment, and later, the fact that Sirius (unlike Snape) never had to truly repent for his mistakes. Snape's hatred festered over years, especially when Sirius escaped Azkaban while Snape remained shackled to Dumbledore's orders. Their mutual contempt was less about logic and more about raw emotion—Sirius's smugness vs. Snape's bitterness. Even in Order of the Phoenix, their arguments feel like schoolyard taunts amplified by decades of resentment.

What's tragic is how their hatred blinded them both. Sirius never acknowledged Snape's growth, and Snape refused to see Sirius's loyalty to Harry. Their dynamic adds such delicious tension to the series—you can practically feel the air crackle when they share a scene.
2026-04-10 00:46:28
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Elijah
Elijah
Detail Spotter Student
Honestly, their feud was the Hogwarts equivalent of an eternal flame. Sirius disliked Snape from day one—partly because he was a Slytherin, partly because Snape's fascination with the Dark Arts clashed with the Marauders' self-righteousness. But Snape gave as good as he got; his memories in 'The Prince's Tale' show he wasn't some innocent victim. Their hatred became self-sustaining: Sirius mocked Snape's poverty and awkwardness, Snape seethed over every slight, and neither matured enough to move past it. Even as adults, their interactions are dripping with venom. It's a reminder that some school rivalries never die—they just get darker.
2026-04-10 11:51:17
26
Steven
Steven
Contributor Mechanic
The rivalry between Sirius Black and Severus Snape in 'Harry Potter' was like gasoline and a match—doomed to ignite. From their Hogwarts days, Sirius embodied the reckless, popular Gryffindor, while Snape was the brooding Slytherin outsider. Their feud wasn't just about house rivalries, though. Sirius once tricked Snape into nearly encountering Lupin as a werewolf—a 'prank' that could've been fatal. That incident alone would breed lifelong hatred. But deeper than that, Sirius saw Snape as a symbol of everything he despised: dark magic, sneaky behavior, and later, his suspicion that Snape was still loyal to Voldemort. Snape, in turn, viewed Sirius as an entitled bully who never faced consequences. Their animosity was a toxic mix of personal grudges and ideological clashes, with Harry stuck in the crossfire.

What fascinates me is how their hatred mirrored the larger conflicts in the series—light vs. dark, past vs. present. Even after Sirius's death, Snape's lingering resentment colors his interactions with Harry. It's one of those rivalries where neither side is entirely innocent, which makes it so compelling to analyze.
2026-04-12 17:51:56
19
OrlaBaker
OrlaBaker
Book Clue Finder Sales
Honestly, I think a lot of it was pure class prejudice, though wizards wouldn't call it that. Sirius came from immense wealth and an ancient family, even if he hated them. Snape grew up poor in a muggle town, with a dysfunctional home. Sirius had the confidence, the good looks, the easy popularity. Snape was awkward, sallow, and intense. Sirius looked down on him, consciously or not. His bullying of Snape had the flavor of someone putting a 'lesser' person in their place. 'Snivellus' isn't just an insult; it's a comment on his demeanor, his poverty, his lack of social grace. Snape's retaliatory hatred was fueled by this humiliation and the deep-seated knowledge that to people like Sirius and James, he would always be the odd one out, the unworthy one. That kind of social dynamic breeds lifelong resentment.
2026-08-02 08:05:02
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Why did Snape hate Sirius in Harry Potter books?

3 Answers2026-04-09 21:24:37
Snape's hatred for Sirius was deeply personal and rooted in their school days. Back at Hogwarts, Sirius and James Potter relentlessly bullied Snape, making his life miserable. The infamous 'Werewolf Incident,' where Sirius tricked Snape into nearly encountering a transformed Lupin, was particularly scarring. Snape saw Sirius as reckless and cruel, a sentiment that never faded. Even years later, Snape couldn't separate Sirius from those tormenting memories—especially since Sirius never showed remorse. Snape also believed Sirius was the one who betrayed the Potters to Voldemort, adding another layer of animosity. To him, Sirius embodied everything he despised about his past. What’s fascinating is how Snape’s bitterness extended beyond just Sirius—it colored his entire view of the Marauders. While he eventually worked alongside Lupin, there was always tension, and with Sirius dead, that unresolved hatred just festered. It’s a great example of how Rowling wrote flawed characters who couldn’t move past old wounds, no matter how much time passed.

Why did Severus Snape hate Harry Potter?

8 Answers2026-04-22 01:38:19
Snape’s hatred for Harry is this tangled web of past wounds and misplaced resentment. It wasn’t really about Harry himself—it was about James Potter, Harry’s dad. Snape and James had this brutal rivalry back at Hogwarts, full of humiliation and unrequited love for Lily, Harry’s mom. Seeing Harry’s face, so much like James’, but with Lily’s eyes, must’ve been torture for Snape. Every time he looked at Harry, he saw the guy who bullied him and the woman he loved but lost. It’s heartbreaking when you think about it—Snape’s bitterness was a shield for grief he couldn’t shake. That said, Snape’s treatment of Harry was still inexcusable. Projecting your grudges onto a kid? Not cool. But it’s also what makes Snape such a compelling character—he’s neither purely villain nor hero, just painfully human. His arc in 'Harry Potter and the Deathly Hallows' flips everything on its head, revealing how love and regret fueled his actions all along.

How does Sirius Black's relationship with Severus Snape evolve in fanfiction?

3 Answers2026-07-13 02:42:38
Oh, the whole Sirius vs Snape thing is a playground in fics, and it wildly depends on what you're reading. In a lot of post-Azkaban fics, the hate is just too thick to cut with a knife—it's pure, undiluted loathing, sometimes even worse than canon because Sirius has all that time to stew. They're written to throw curses first and never ask questions. But then you get the fix-its or the time-travel stories where they're forced to work together, maybe to save Harry or stop Voldemort earlier. That's where it gets interesting. The evolution there is grudging, built on shared purpose, not affection. They might end up respecting each other's skills, but I've rarely seen a fic where they become actual friends without some major, reality-bending plot device. More often, it's a tense ceasefire. My favorite take was in a long muggle AU where they were cops partnered up after a disaster. The evolution felt earned because the snark and the history were still there, but the magical war context was removed, so their personalities clashed in a new way. They never hugged it out, but you believed they'd watch each other's backs. Most fics can't pull that off without feeling forced.

What happened between Sirius and Snape in Harry Potter?

6 Answers2026-04-09 10:11:46
Man, the tension between Sirius Black and Severus Snape in 'Harry Potter' is like a slow-burning fuse that finally explodes in 'Order of the Phoenix.' Their feud goes way back to their Hogwarts days—Sirius was part of the popular, rebellious Marauders, while Snape was the outcast Slytherin who got bullied. The worst incident? Sirius tricked Snape into nearly facing a transformed Lupin (as a werewolf) by luring him to the Shrieking Shack. James Potter saved Snape, but the humiliation and danger sealed Snape's lifelong hatred. Fast forward to adulthood, and their animosity never fades. Snape sees Sirius as a reckless, arrogant blood traitor, while Sirius dismisses Snape as a slimy Death Eater sympathizer (even though Snape was working undercover). Their showdown at Grimmauld Place is pure venom—Snape needles Sirius about being stuck at home, and Sirius snaps back about Snape’s creepy obsession with the Order. It’s raw, personal, and shows how childhood grudges can warp into something darker.

Why did Sirius Snape have a rivalry?

3 Answers2026-04-09 06:50:25
The rivalry between Sirius Black and Severus Snape in 'Harry Potter' is one of those deeply personal grudges that just simmered for years, fueled by house rivalries, childhood bullying, and later, tragic misunderstandings. At Hogwarts, Sirius was the quintessential Gryffindor—reckless, loyal, and a bit of a troublemaker—while Snape was the brooding Slytherin outsider. Their animosity started young, with Sirius and James Potter relentlessly picking on Snape. The infamous 'Werewolf Incident,' where Sirius tricked Snape into nearly encountering Lupin as a werewolf, cemented Snape’s hatred. It wasn’t just teenage rivalry; it felt like survival to Snape. Later, Sirius never apologized, and Snape never forgave. Their mutual distrust only grew worse with Snape’s Death Eater past and Sirius’s wrongful imprisonment. Even as adults, they couldn’t move past it—Snape saw Sirius as arrogant and cruel, while Sirius viewed Snape as a slimy traitor. What’s heartbreaking is how their feud overshadowed moments where they might’ve allied against Voldemort. Instead, they died with that bitterness unresolved, a testament to how childhood wounds can fester. I’ve always wondered if things might’ve been different if they’d had one honest conversation after the war. But then again, 'Harry Potter' is full of relationships where pride and history get in the way. Their dynamic adds so much tension to the series—you almost want to shake them both and yell, 'You’re on the same side!' But that’s what makes it feel real. Some grudges just stick, no matter how much the world needs you to drop them.

How did Snape betray Sirius in Harry Potter?

3 Answers2026-04-09 21:46:52
Man, Snape and Sirius’s feud was one of those things that made me flip pages faster than a Nimbus 2000. The betrayal wasn’t some grand, cinematic backstab—it was quieter, messier, and way more personal. Snape hated Sirius, partly because of their schoolyard history (hello, ‘Werewolf Prank’ trauma), but also because he genuinely believed Sirius was the one who sold out Lily and James to Voldemort. So when Sirius escaped Azkaban in ‘Prisoner of Azkaban’, Snape went full tunnel vision. He ignored Dumbledore’s trust in Sirius, dismissed Harry’s explanations, and even tried to sabotage Lupin’s Wolfsbane Potion to out him as a werewolf during the Shrieking Shack confrontation. The worst part? He delivered Sirius to the Dementors, straight-faced, knowing it’d be a fate worse than death. Snape’s ‘betrayal’ was less about loyalty to Voldemort and more about letting his grudges override the truth. What fascinates me is how Rowling framed this—Snape wasn’t wrong to distrust Sirius initially (the guy was a convicted murderer on paper), but his refusal to reconsider when new evidence emerged? That’s where the real betrayal lives. It’s a gut-punch reminder that even the ‘good side’ has people who weaponize their pain. Also, shoutout to Alan Rickman’s performance in the movie; the way he hissed ‘Give me a reason’ still gives me chills.

How do Sirius Black Severus Snape fanfiction stories handle their rivalry?

3 Answers2026-07-13 00:39:47
Sirius and Snape's mutual contempt opens up so much space for interpretation, honestly. A lot of writers lean into the 'enemies to reluctant allies' thing when there's an external threat, like Voldemort's return or a Ministry crackdown on Dark artifacts. They're forced to cooperate, and the verbal sparring never really stops, but it morphs into this weird, grudging respect. I'm more interested in the fics that double down on the hatred, though. The ones where the rivalry is the whole point—elaborate, years-long prank wars that escalate beyond the Hogwarts grounds, or Snape using his position as a spy to subtly undermine Sirius's reputation post-Azkaban. Those feel truer to canon's bitter core. Sometimes the rivalry gets filtered through a third character, like Harry or Remus. Seeing how their antagonism affects someone caught in the middle adds a whole other layer of tension. I read one where Harry, as an adult, had to mediate between them for some Order business, and it was just exhausting and hilarious in equal measure. The best part is you never really know who's going to 'win' in those scenarios; it's less about resolution and more about watching two fundamentally incompatible people clash.

How did Sirius Snape's rivalry start in Harry Potter?

3 Answers2026-04-09 12:42:34
The tension between Sirius Black and Severus Snape in 'Harry Potter' feels like one of those grudges that spiraled out of control over years of petty rivalry and deeper ideological divides. It started back in their Hogwarts days—Snape was the awkward, ambitious Slytherin with a chip on his shoulder, while Sirius was the rebellious, popular Gryffindor who never missed a chance to mock him. The Marauders, especially James and Sirius, targeted Snape relentlessly, and that humiliation stuck with him like a curse. By the time they became adults, their hatred was cemented by war: Snape saw Sirius as a spoiled pureblood traitor, while Sirius viewed Snape as a creepy Death Eater sympathizer. Their mutual disdain was practically a character trait by the time Harry entered the picture. What fascinates me is how their feud reflects the larger fractures in the wizarding world. Snape’s bitterness wasn’t just about schoolyard bullying—it was about feeling excluded from the power and camaraderie Gryffindors embodied. Meanwhile, Sirius’s contempt for Snape was tied to his hatred of pureblood elitism, even though he came from that world himself. Their dynamic is such a messy, human mix of personal vendettas and political baggage. I always wonder if things might’ve been different if they’d been sorted into the same house, or if the war hadn’t forced them onto opposite sides. But then again, some people just rub each other the wrong way forever.
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