cracked or showing up just as if damaged away or down; marked by or showing a sudden breach or modification of continuity; desiring continuation or completion: as, the road or perhaps the discourse came to an abrupt cancellation; an abrupt turn-in a road. Ergo Steep; precipitous: as, an abrupt cliff; an abrupt lineage.
Figuratively, abrupt; without warning to prepare your brain for occasion; unceremonious: because, an abrupt entry or address.
Lacking in continuity; having unexpected transitions in one susceptible to another: because, an abrupt design.
In botany, terminating abruptly: as, an abrupt point: sometimes found in the feeling of truncate: because, an abrupt leaf.