annoyance

(noun) the psychological state of being irritated or annoyed. Synonyms: irritation, vexation, botheration.

(noun) anger produced by some annoying irritation. Synonyms: chafe, vexation.

(noun) an unpleasant person who is annoying or exasperating. Synonyms: aggravator.

(noun) something or someone that causes trouble; a source of unhappiness. Synonyms: bother, botheration, pain, infliction, pain in the neck, pain in the ass. Examples: "Washing dishes was a nuisance before we got a dish washer." "A bit of a bother." "He's not a friend, he's an infliction."

(noun) the act of troubling or annoying someone. Synonyms: annoying, irritation, vexation.