: in an abrupt manner : in a sudden and unexpected way
He left abruptly.
The car swerved abruptly onto the exit ramp.
Her career as a psychologist ended abruptly several years ago when a hacker broke into some of her private client files and made them public … Michael Logan
The small, rocky Anacapa Island [California] has steep cliffs which rise abruptly from the ocean on almost every side … David J. Rutherford