/ Dictionary / Index A atonality: Meaning and Definition of Find definitions for: a•to•nal•i•ty Pronunciation: (ā"tō-nal'i-tē), [key] — n. Music. the absence of key or tonal center. an atonal principle or style of composition. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: atonality (Thesaurus) atonalism atone Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language