n 1: the psychological state of being irritated or annoyed [syn: irritation, vexation]
2: anger produced by some annoying irritation [syn: chafe, vexation]
3: an unpleasant person who is annoying or exasperating [syn: aggravator]
4: something or someone that causes trouble; a source of
unhappiness; "a bit of a bother" [syn: nuisance, bother, botheration, pain, pain in the neck, {pain in the
ass}]
5: the act of troubling or annoying someone [syn: annoying, irritation, vexation]