/ Dictionary / Index I indoor: Meaning and Definition of Find definitions for: in•door Pronunciation: (in'dôr", -dōr"), [key] — adj. occurring, used, etc., in a house or building, rather than out of doors: indoor games. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: indoor (Thesaurus) Indonesian indoor baseball Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language