abrupt
/əˈbrʌpt/
adjective
Britannica Dictionary definition of ABRUPT
[more abrupt; most abrupt]
1
:
very sudden and not expected
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There was an abrupt change in the weather.
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The road came to an abrupt end.
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The storm caused an abrupt power failure.
2
a
:
talking to other people in a very brief and unfriendly way
— abruptly
adverb
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The party ended abruptly when the police arrived.
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She turned abruptly and walked away.
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The land dropped off abruptly.