Dictionary definition for: Temperamental
1. (a) relating to or caused by temperament; "temperamental indifference to neatness" "temperamental peculiarities"
2. (s) subject to sharply varying moods; "a temperamental opera singer"
3. (s) 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
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