1
Sudden change
A shift that occurs quickly and without a gradual transition.
Example
The archive records an abrupt decline in coastal trade.
abrupt
/əˈbrʌpt/ · uh-BRUPTadjective
Sudden and unexpected; or brief in a way that seems unfriendly.
Use abrupt for a change with little warning or transition, and for speech or behaviour that is unexpectedly curt.
What abrupt Really Means
The word becomes easier to use when its closely related senses are separated and compared.
2
Unexpected ending
A process or account that stops without preparation or resolution.
Example
The manuscript's abrupt ending suggests that several pages are missing.
3
Curt manner
Speech or behaviour that is brief enough to seem rude.
Example
His abrupt reply surprised colleagues accustomed to detailed explanations.
Use abrupt Naturally
Notice how the surrounding noun or clause reveals the exact shade of meaning.
The archive records an abrupt decline in coastal trade.
The path ends abruptly at the edge of the quarry.
Her abrupt tone reflected urgency rather than hostility.
Precision Matters
Abrupt overlaps with several common words, but each carries a different emphasis.
abrupt
vs.Often also implies a missing transition or curt manner.
sudden
Broadly means occurring unexpectedly and quickly.
abrupt
vs.Describes the change or manner itself.
precipitate
As a verb, means cause an event abruptly.
abrupt
vs.May seem rude because it is unexpectedly curt.
laconic
Simply uses very few words.
abrupt
vs.Occurs with little transition.
gradual
Develops slowly over time—the contrast.
Test abrupt in Context
The decline was sudden, unexpected, and lacked a gradual transition.
1
The population remained stable for decades before undergoing an ___ decline in a single breeding season, a shift the researchers had not predicted.