temperamental

temperamental

CEFR: C1-C2 /tem-pera-men-tal/ [t.eh2.m.p.r.ah0.m.eh1.n.t.ah0.l]

Definition: subject to sharply varying moods; likely to perform unpredictably

Example Sentences:
At the best of times, the temperamental rains come for three or four months and turn dusty plains into green pastures, forests and fields.
"He can be temperamental, of course ... But when it comes to a crisis, he's the one who is most composed."