temper in WordNet English dictionary

1. bring to a desired consistency, texture, or hardness by a process of gradually heating and cooling
   "temper glass"
   anneal  temper  normalize 
   
2. restrain
   chasten  moderate  temper 
   
3. harden by reheating and cooling in oil
   "temper steel"
   temper  harden 
   
4. make more temperate, acceptable, or suitable by adding something else; moderate
   "she tempered her criticism"
   temper  season  mollify 
   
5. adjust the pitch (of pianos)
   temper 
   

1. a disposition to exhibit uncontrolled anger
   "his temper was well known to all his employees"
   temper  biliousness  irritability  peevishness  pettishness  snappishness  surliness 
   
2. a characteristic (habitual or relatively temporary) state of feeling
   "whether he praised or cursed me depended on his temper at the time"; "he was in a bad humor"
   temper  mood  humor  humour 
   
3. a sudden outburst of anger
   "his temper sparked like damp firewood"
   pique  temper  irritation 
   
4. the elasticity and hardness of a metal object; its ability to absorb considerable energy before cracking
   temper  toughness