peeve
n. countable B2 Upper Intermediate US //ˈpiv// UK //pˈiːv// peeve
n. a small thing that makes you feel slightly annoyed or frustrated. It is usually not a big problem, but it can be very irritating.
n. a minor source of irritation or annoyance. Often used to describe a small, persistent annoyance that is not serious in itself.
My biggest peeve is when people leave their wet towels on the floor.
While the car's performance is excellent, the driver's only peeve is the loud noise the air conditioning makes.
The manager's primary peeve was the constant stream of minor complaints from the staff, which he felt were distracting from the more significant operational challenges the company faced.
Back-formation from peevish.