(~s)
1.
Your ~ is your basic nature, especially as it is shown in the way that you react to situations or to other people.
His impulsive ~ regularly got him into difficulties...
She was furtive and vicious by ~.
N-VAR
2.
Temperament is the tendency to behave in an uncontrolled, bad-tempered, or unreasonable way.
Some of the models were given to fits of ~.
N-UNCOUNT