tem ‧ pe ‧ ra ‧ ment /ˈtemp ə rəmənt/ BrE AmE noun [uncountable and countable]
[ Date: 1400-1500 ; Language: Latin ; Origin: temperamentum , from temperare ; ⇨ ↑ temper 2 ]
the emotional part of someone’s character, especially how likely they are to be happy, angry etc
artistic/nervous/good etc temperament
Jill has such a lovely relaxed temperament.
by temperament
Tolkien was, by temperament, a very different man from Lewis.