/ Dictionary / Index S sematic: Meaning and Definition of Find definitions for: se•mat•ic Pronunciation: (si-mat'ik), [key] — adj. Biol. serving as a sign or warning of danger, as the conspicuous colors or markings of certain poisonous animals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. semasiology semblable Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language