Temperamental

adjective
,tɛmprə'mɛntəl

Adjective

  • likely to perform unpredictably

    a temperamental motor; sometimes it would start and sometimes it wouldn't

    that beautiful but temperamental instrument the flute

    Similar:Erratic
  • subject to sharply varying moods

    a temperamental opera singer

    Similar:Moody

Other

  • relating to or caused by temperament

    temperamental indifference to neatness

    temperamental peculiarities

Dictionary Validity

Tournament Word List (TWL)
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SOWPODS
North American Scrabble (NWL2020)
NASPA