/ Dictionary / Index A aposiopesis: Meaning and Definition of Find definitions for: ap•o•si•o•pe•sis Pronunciation: (ap"u-sī"u-pē'sis), [key] — pl. -ses a sudden breaking off in the midst of a sentence, as if from inability or unwillingness to proceed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aposiopesis (Thesaurus) aposematic apospory Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language