/ Dictionary / Index S subantarctic: Meaning and Definition of Find definitions for: sub•ant•arc•tic Pronunciation: (sub"ant-ärk'tik, -är'tik), [key] — adj. of, pertaining to, similar to, or being the region immediately north of the Antarctic Circle; subpolar. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. subalternate subapical Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language