Trouble  —n. 1 difficulty or distress; vexation, affliction (had trouble with my car). 2 a inconvenience; unpleasant exertion; bother. B cause of this (she was no trouble). 3 perceived failing (the trouble with me is that i can't say no). 4 dysfunction (kidney trouble; engine trouble). 5 a disturbance (crowd trouble; don't want any trouble). B (in pl.) Political or social unrest, public disturbances, esp. (the troubles) in n. Ireland. —v. (-ling) 1 cause distress or anxiety to; disturb. 2 be disturbed or worried (don't trouble about it). 3 afflict; cause pain etc. To. 4 (often refl.) Subject or be subjected to inconvenience or unpleasant exertion (sorry to trouble you; don't trouble yourself).  ask (or look) for trouble colloq. Invite trouble by one's actions, behaviour, etc.; be rash or indiscreet. In trouble 1 involved in a matter likely to bring censure or punishment. 2 colloq. Pregnant while unmarried. [latin: related to *turbid]