If you describe something as ~ of someone, you mean that it is not typical of them.
It was ~ of her father to disappear like this.
...an ~ lack of modesty.
? typical, characteristic
ADJ: oft ADJ of n
~ally
Owen has been ~ally silent...
Uncharacteristically for Keegan, he decided to have a snooze.
ADV: usu ADV adj, also ADV with v, ADV with cl