Broken off; very steep, or craggy, as rocks, precipices, banks; precipitous; steep; as, abrupt places.
- Unexpectedly sudden: an abrupt change in the weather.
- Surprisingly curt; brusque: an abrupt answer made in anger.
- Touching on one subject after another with sudden transitions: abrupt prose.
- Steeply inclined. See Synonyms at steep1.
- Botany Terminating suddenly rather than gradually; truncate: an abrupt leaf.