/ Dictionary / Index A autonomous: Meaning and Definition of Find definitions for: au•ton•o•mous Pronunciation: (ô-ton'u-mus), [key] — adj. self-governing; independent; subject to its own laws only. pertaining to an autonomy. having autonomy; not subject to control from outside; independent: a subsidiary that functioned as an autonomous unit. existing and functioning as an independent organism. spontaneous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: autonomous (Thesaurus) autonomism autonomous phoneme Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language