The definition of abrupt is when something suddenly happens or changes suddenly, with no advance warning.(adjective)
An example of abrupt is a driver quickly making a left turn without putting his turn signal on first.
Abrupt is when someone is short or curt in their manner or actions.(adjective)
An example of abrupt is a teacher who always cuts her students off in conversation without ever stopping to listen.
Abrupt means the edge of something appears to break off suddenly or steeply.(adjective)
An example of abrupt is a high cliff on the edge of a mountain.
See abrupt in Webster's New World College Dictionary
Origin: L abruptus, pp. of abrumpere, to break off < ab-, off + rumpere, to break: see rupture
See abrupt in American Heritage Dictionary 4
Origin: Latin abruptus
Origin: , past participle of abrumpere, to break off
Origin: : ab-, away; see ab-1
Origin: + rumpere, to break; see reup- in Indo-European roots.
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