n 1: anger produced by some annoying irritation [syn: annoyance, chafe]
2: the psychological state of being irritated or annoyed [syn: irritation, annoyance]
3: something or someone that causes anxiety; a source of
unhappiness; "New York traffic is a constant concern";
"it's a major worry" [syn: concern, worry, headache]
4: the act of troubling or annoying someone [syn: annoyance, annoying, irritation]