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}]

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}]