/ Dictionary / Index I inbuilt: Meaning and Definition of Find definitions for: in•built Pronunciation: (in'bilt'), [key] — adj. built-in (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: inbuilt (Thesaurus) inbreeding Inc. Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language