na-adjective, noun
Describes a manner of speaking or behaving that is short, unfriendly, and lacking warmth or politeness. Often used for someone who answers in monosyllables or without softening their words.
彼はいつもぶっきらぼうな返事をする。
He always gives curt replies.
ぶっきらぼうな態度をとられて、少し傷ついた。
I was a little hurt by his brusque attitude.