/ Dictionary / Index Q q.s.: Meaning and Definition of Find definitions for: q.s. Pronunciation: [key] (in prescriptions) as much as is sufficient; enough. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. QRP Q-ship Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language