1
[ adjective ] subject to sharply varying moods

Synonyms

moody

Examples

"a temperamental opera singer"

Related terms

emotional

2
[ adjective ] relating to or caused by temperament

Examples

"temperamental indifference to neatness" "temperamental peculiarities"

Related terms

disposition

3
[ adjective ] likely to perform unpredictably

Synonyms

erratic

Examples

"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

Related terms

unreliable

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