/ Dictionary / Index O outgrowth: Meaning and Definition of Find definitions for: out•growth Pronunciation: (out'grōth"), [key] — n. a natural development, product, or result: to consider truancy an outgrowth of parental neglect. an additional, supplementary result. a growing out or forth. something that grows out; offshoot; excrescence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: outgrowth (Thesaurus) outgrow outguess Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language