/ Dictionary / Index E expansile: Meaning and Definition of Find definitions for: ex•pan•sile Pronunciation: (ik-span'sil, -sīl), [key] — adj. capable of expanding; such as to expand. pertaining to expansion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: expansile (Thesaurus) expansible expansion Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language