abrupt /əˈbrʌpt
/ ▸ adjective 1 sudden and unexpected: I was surprised by the abrupt change of subject
the match came to an abrupt end.
2 brief to the point of rudeness; curt: you were rather abrupt with that young man.
▪ (of a style of speech or writing) not flowing smoothly; disjointed: abrupt, epigrammatic paragraphs
an occasionally abrupt narrative.
3 steep; precipitous: the abrupt double peak.
– DERIVATIVES abruptness /əˈbrʌp(t)nəs
/ noun – ORIGIN late 16th century: from Latin abruptus ‘broken off, steep’, past participle of abrumpere, from ab- ‘away, from’ + rumpere ‘break’.