A pet peeve is a little thing, usually not important, that someone really doesn't like. Example: Stop leaning in your chair, that is my pet peeve!

Something that is maybe a bit annoying to most people but very annoying or upsetting to a particular person. Something that irritates the heck out of you. Something or a set of things that an individual finds very annoying.

A pet peeve is usually something really minor that annoys someone. It's something small that most people ignore but might bother you a lot. Examples: - sniffling - nail tapping - humming Hope this helps!

Interesting this just came up on the message boards. I had a student ask me this same question like two days ago. Here are some common ones: https://www.ranker.com/list/everyone_s-biggest-pet-peeves/analise.dubner

A pet peeve is something that always annoys or bothers you. For example, One of her pet peeves was people who always arrive late to meetings.