[syn: erratic, temperamental]
The Collaborative International Dictionary of English v.0.48:
Temperamental \Tem`per*a*men"tal\, a.
Of or pertaining to temperament; constitutional. [R.] --Sir
T. Browne.
[1913 Webster]
WordNet (r) 3.0 (2006):
temperamental
adj 1: relating to or caused by temperament; "temperamental
indifference to neatness"; "temperamental peculiarities"
2: subject to sharply varying moods; "a temperamental opera
singer" [syn: moody, temperamental]
3: likely to perform unpredictably; "erratic winds are the bane
of a sailor"; "a temperamental motor; sometimes it would
start and sometimes it wouldn't"; "that beautiful but
temperamental instrument the flute"- Osbert Lancaster [syn:
erratic, temperamental]