ETYM Latin abruptus, p. p. of abrumpere to break off; ab + rumpere to break. Related to Rupture.
1. Exceedingly sudden and unexpected.
2. Extremely steep; SYN. precipitous, sharp.
3. Marked by sudden changes in subject and sharp transitions; SYN. disconnected.
4. Surprisingly and unceremoniously brusque in manner.
1. Done with very great haste and without due deliberation; - Shakespeare; SYN. overhasty, precipitate, precipitant.
2. Excessively quick; SYN. headlong.