Nothing gets my hackles up faster than a clue that looks harmless but is clearly steering you wrong. I notice misleading clues first by how their surface reading tempts a completely different meaning from the grid mechanics. If the grammar feels off — say a singular clue but you need a plural, or the tense doesn't match — that's a big red flag. Punctuation being unusually emphatic, or commas that change the whole sense, often signals a setter trick. I also pay attention to enumeration: if the letter pattern would force a different part of speech, the clue might be using an evasive synonym or an insertion indicator.
I love the little language traps: homophones disguised by words like 'audibly' or 'sounds like', or words such as 'around', 'back', 'over' that suggest reversal or containment in cryptic puzzles. In quick puzzles, look for misleading definitions that rely on idioms or domain-specific jargon. Proper names or abbreviations tacked on casually usually mean either an abbreviation is required or the setter expects a specialized knowledge gate.
When I'm stumped I step back and sniff for double meanings — is the clue an &lit, a double definition, or using anagram fodder hidden in odd places? Trust the crossings and be ready to reinterpret the clue once you have letters. Little instincts like that save me hours of head-banging, and they make solving way more satisfying in the end.