noun
plural -pers
[count] :the tendency of someone to become angry
a state of being angry [noncount]
[count] :calmness of mind :composure
[singular] the way that a person is feeling at a particular time :mood
the usual attitude, mood, or behavior of a person or animal
[noncount] formal :the ideas, attitudes, etc., that a group of people have especially during a particular period of time
verb
-pers; -pered; -pering
[+ obj] formal :to make (something) less severe or extreme
technical :to cause (something, such as steel or glass) to become hard or strong by heating it and cooling it