One word that always comes to mind when I want to describe a small, easily handled obstacle is 'snag'. When I say 'snag' I picture a tiny catch in the fabric of a plan — enough to make me pause and fix something, but not enough to derail the whole thing. I use it in casual conversation a lot: "We hit a snag with the tickets," or "There was a small snag in the code." It feels conversational, slightly informal, and carries an image of something you can untangle with a little patience.
If you want a few more flavors, there are several close synonyms that each bring a slightly different tone. 'Hiccup' is playful and implies temporary dysfunction — like a short, unexpected interruption that passes. 'Glitch' leans techy and suggests a minor fault in a system. 'Blip' is great for tiny, almost insignificant disturbances, while 'bump' or 'speed bump' are useful metaphors when you want to emphasize a brief slowdown rather than a complete stop. For mildly formal contexts, 'inconvenience' or 'minor setback' are polite and neutral. I try to avoid 'impediment' or 'hindrance' when I mean something small; those words imply a heavier, more sustained resistance.
Choosing the right word often depends on tone and audience. If I'm texting a friend about plans, I'll happily call it a 'hiccup' or 'snag.' If I'm writing an email at work, 'minor setback' or 'inconvenience' sounds more professional. For creative writing, I might reach for 'blip' or a metaphor like 'a pebble in the shoe' to evoke sensory detail. Personally, I love the visual simplicity of 'snag' — it suggests something fixable with a bit of fiddling, which matches my mindset for solving little problems. It’s small, human, and somehow comforting to name a tiny obstruction so it loses its power; I always feel slicker after untangling a 'snag'.