adj.
Pronunciation: ˌ tem-p( ə -)r ə - ' men-t ə l, ˌ tem-p ə r- '
Function: adjective
Date: 1646
1 : of, relating to, or arising from temperament : CONSTITUTIONAL < temperamental peculiarities>
2 a : marked by excessive sensitivity and impulsive mood changes <a temperamental child> b : unpredictable in behavior or performance <a temperamental computer>
– tem · per · a · men · tal · ly \ -t ə l- ē \ adverb