/ Dictionary / Index A abruption: Meaning and Definition of Find definitions for: ab•rup•tion Pronunciation: (u-brup'shun), [key] — n. a sudden breaking off. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: abruption (Thesaurus) abrupt abruptly pinnate Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language