abrupt

adjective
1
sudden and unexpected, often in an unpleasant way
ناگهانی, غیرمنتظره, بی‌مقدمه
2
speaking or acting in a way that seems rude and unfriendly; not taking time to say more than is necessary
تند, بی‌مقدمه, خشن, بی‌ادب, بی‌نزاکت, بی‌ملاحظه, خشک, بی‌پرده
an abrupt manner
He indicated Isabel with an abrupt movement of his head.
She was very abrupt with me in our meeting.
synonym brusque, curt