noun
(uncountable) The action of vexing, annoying, or irritating someone or something; (countable) an instance of this.
(uncountable) The state of being vexed, annoyed, or irritated; annoyance, irritation; also, disappointment, discontentment, unhappiness; (countable) an instance of this.
(countable) A source of mental distress or trouble; an affliction, a woe; also, a source of annoyance or irritation; an annoyance, an irritant.
(obsolete, uncountable) The action of using force or violence on someone or something; (countable) an instance of this.