Answer: abrupt

AnswerCrossword Clue
ABRUPT

Unexpected.

ABRUPT

Surprisingly curt

ABRUPT

Not flowing

ABRUPT
Brusque in manner
ABRUPT
Precipitous
ABRUPTShort, but not necessarily sweet
ABRUPTUnceremonious
ABRUPTPrecipitate
ABRUPTSteeply inclined
ABRUPTSteep
ABRUPTSudden.
ABRUPTBroken off.
ABRUPTRather sudden
ABRUPTEnding suddenly
ABRUPTHasty
ABRUPTShort
ABRUPTShort-spoken
ABRUPTWithout warning
ABRUPTCurt
ABRUPTUnceremoniously curt
ABRUPTDiscourteously curt
ABRUPTBrusque
ABRUPTUnexpected
ABRUPTSudden