/ Dictionary / Index A autonomous phoneme: Meaning and Definition of Find definitions for: auton'omous pho'neme Pronunciation: [key] — Ling. Ling. a phoneme that is defined or determined by its contrast in sound with other phonemes, without reference to its role in morphology or any other level of linguistic analysis beyond the phonetic level. Also calledCf. systematic phoneme. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. autonomous autonomous syntax 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