Synonyms for temper

noun

1. State of mind

   disposition, temperament, frame of mind, humor; see mood 1.

2. An angry state of mind

   furor, ire, passion; see anger, rage 2.

3. The quality of being easily angered

   impatience, excitability, touchiness, sourness, sensitivity, fretfulness, peevishness, irritability, ill-humor, acerbity, petulence, irascibility, crossness, churlishness, pugnacity, sullenness, tartness, grouchiness*, huffiness*, cantankerousness*.

   Antonyms patience*, calmness, equanimity.

4. The quality of induced hardness or toughness in materials

   tensile strength, sturdiness, hardness; see firmness 2, strength 1.

5. Composure

   equanimity, poise, tranquility; see composure.

keep one's temper

lose one's temper

verb

1. To soften or qualify

   mitigate, pacify, moderate, abate, mollify, curb, restrain; see also ease 1, 2, soften 2.

   Antonyms attack*, violate injure.

2. To toughen or harden

   steel, anneal, braze, bake, chill, stiffen, caseharden, cement, vulcanize, solidify, congeal, indurate, starch, petrify, mold, set, dry, toughen up*; see also strengthen.

   Antonyms melt, dissolve, soften.