an instance of this: some secret trouble weighing on his mind; a mother who shares all her children's troubles.
14.
effort, exertion, or pains in doing something; inconvenience endured in accomplishing some action, deed, etc.: The results were worth the trouble it took.
15.
an objectionable feature; problem; drawback: The trouble with your proposal is that it would be too costly to implement.
16.
something or someone that is a cause or source of disturbance, distress, annoyance, etc.
17.
a personal habit or trait that is a disadvantage or a cause of mental distress: His greatest trouble is oversensitivity.
18.
the Troubles,
a.
the violence and civil war in Ireland, 1920–22.
b.
the conflict between Protestants and Catholics in Northern Ireland, beginning in 1969.
in trouble, Informal. pregnant out of wedlock (used as a euphemism).
Origin: 1175–1225; (v.) Middle English troublen < Old French troubler < Vulgar Latin *turbulare, derivative of *turbulus turbid, back formation from Latin turbulentusturbulent; (noun) Middle English < Middle French, derivative of troubler
early 13c., from O.Fr. trubler (11c.), metathesis of turbler, from V.L. *turbulare, from L.L. turbidare "to trouble, make turbid," from L. turbidus (see turbid). The noun is attested from early 13c.; troublesome is attested by 1540s. Troubled in ref. to waters, etc., is from
late 14c. A trouble-shooter (1905) was originally one who works on telegraph or telephone lines. The Troubles in ref. to times of violence and unrest in Ireland is attested from 1880, in ref. to the rebellion of 1640s.