abrupt

1 ENTRIES FOUND:
abrupt /əˈbrʌpt/ adjective
abrupt
/əˈbrʌpt/
adjective
Britannica Dictionary definition of ABRUPT
[more abrupt; most abrupt]
1 
: very sudden and not expected
2 
a  : talking to other people in a very brief and unfriendly way
b  : rudely brief

— abruptly

adverb

— abruptness

noun
[singular] [noncount]