/ Dictionary / Index S semiautonomy: Meaning and Definition of Find definitions for: sem•i•au•ton•o•my Pronunciation: (sem"ē-ô-ton'u-mē, sem"ī-), [key] — pl. -mies. the quality or state of being semiautonomous. a semiautonomous system of government. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. semiautonomous semibasement Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language