1 mood, disposition, temperament, humour, state or frame of mind, character, personality, nature, make-up, constitution:
Practising law did not suit his temper, so he became a social worker.
2 composure, self-control, self-possession, calmness, equanimity, balance, sang-froid, coolness, Colloq cool:
He would lose his temper if she ever mentioned another man.
3 ill humour, ill temper, foul temper, irascibility, irritability, petulance, volatility, peevishness, huffishness, surliness, churlishness, hotheadedness, hot-bloodedness:
At the first sign of temper, just ignore him.
4 (temper) tantrum, fury, fit (of pique), rage, passion, Colloq Brit wax, paddy:
She went off into a temper at the mere mention of his name.
5 modify, moderate, assuage, mollify, soften, cushion, tone down, allay, soothe, mitigate, palliate, reduce, relax, slacken, lighten, appease:
The cold currents from the poles are tempered by the equatorial waters. She used all her wiles to temper his fury.
6 anneal, toughen, strengthen, harden:
Plunge the heated blade into water to temper it.