Sudden and unexpected, often in a way that is unpleasant or disconcerting. adjective
The car came to an abrupt halt when the driver slammed on the brakes.
Their conversation ended abruptly when the phone rang.
Characterized by a lack of smoothness or continuity; rough or steep. adjective
The trail was difficult to hike due to its abrupt inclines.
The abrupt changes in the landscape made the journey challenging.
Curt or brusque in manner or speech, often perceived as rude. adjective
His abrupt reply left her feeling offended.
She was taken aback by his abrupt dismissal of her suggestion.