/ Dictionary / Index S subtherapeutic: Meaning and Definition of Find definitions for: sub•ther•a•peu•tic Pronunciation: (sub"ther-u-py'tik), [key] — adj. indicating a dosage, as of a drug or vitamin, less than the amount required for a therapeutic effect. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. subtext subthreshold Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language