/ Dictionary / Index A athematic: Meaning and Definition of Find definitions for: a•the•mat•ic Pronunciation: (ā"thē-mat'ik), [key] — adj. inflected without a thematic vowel. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. athel tree Athena Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language