/ Dictionary / Index S slenderness ratio: Meaning and Definition of Find definitions for: slen'derness ra"tio Pronunciation: [key] — Rocketry. Rocketry. See(def. 4a). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. slender loris slept Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language