/ əˈbrʌpt; NAmE / adjective
1.
sudden and unexpected, often in an unpleasant way :
an abrupt change / halt / departure
2.
speaking or acting in a way that seems unfriendly and rude; not taking time to say more than is necessary
SYN brusque , curt :
an abrupt manner
She was very abrupt with me in our meeting.
► ab·rupt·ly adverb
► ab·rupt·ness noun [ U ]
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WORD ORIGIN
late 16th cent.: from Latin abruptus broken off, steep, past participle of abrumpere , from ab- away, from + rumpere break.