temperamental

adj.

1. Relating to or caused by temperament: our temperamental differences.
2. Excessively sensitive or irritable; moody.
3. Likely to perform unpredictably; undependable: a temperamental motor.

temperamentally tem'per·a·men'tal·ly adv.

adjective

1. Given to changeable emotional states, especially of anger or gloom: moody. See feelings.
2. Following no predictable pattern: capricious, changeable, erratic, fantastic, fantastical, fickle, freakish, inconsistent, inconstant, mercurial, ticklish, uncertain, unpredictable, unstable, unsteady, variable, volatile, whimsical. See change/persist, continue/stop/pause.

adj

Definition: angry most of the time; moody
Antonyms: easy-going, happy, laid-back, peaceful, pleased

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IN BRIEF: Likely to perform unpredictably. Also: Subject to sharply varying moods.

Some plants may be temperamental and not perform well if they are given too much or too little water.

Dansk (Danish)
adj. - temperamentsbestemt

Nederlands (Dutch)
temperamentvol, onvoorspelbaar, onbetrouwbaar

Français (French)
adj. - capricieux, viscéral, naturel, de tempérament, physique

Deutsch (German)
adj. - temperamentvoll, launenhaft

Ελληνική (Greek)
adj. - ιδιότροπος, ευέξαπτος, ευερέθιστος, άστατος, θερμόαιμος, καπριτσιόζικος

Italiano (Italian)
capriccioso, innato, inaffidabile

Português (Portuguese)
adj. - temperamental

Русский (Russian)
неуравновешенный, капризный, с норовом

Español (Spanish)
adj. - temperamental, caprichoso

Svenska (Swedish)
adj. - temperamentsfull, lynnig, nyckfull

中文（简体）(Chinese (Simplified))
由气质引起的, 喜怒无常的, 心情变化快的

中文（繁體）(Chinese (Traditional))
adj. - 由氣質引起的, 喜怒無常的, 心情變化快的

한국어 (Korean)
adj. - 기질상의, 신경질적인, 이랬다 저랬다 하는

日本語 (Japanese)
adj. - 気分の, 気質上の, 気まぐれな

العربيه (Arabic)
‏(صفه) طبعي, مزاجي‏

עברית (Hebrew)
adj. - ‮מועד להתפרצויות ולמצבי-רוח, נתון למצבי רוח, שלא ניתן לסמוך עליה (מכונה)‬

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