temperamental

definition: likely to perform unpredictably
example:
speech part: adjective
synonyms: erratic
definition: subject to sharply varying moods
example: a temperamental opera singer
speech part: adjective
synonyms: moody
definition: relating to or caused by temperament
example: temperamental indifference to neatness
speech part: adjective
synonyms:

temperamental is explained and pronounced

How temperamental is being used?