/ Dictionary / Index S sucking: Meaning and Definition of Find definitions for: suck•ing Pronunciation: (suk'ing), [key] — adj. not weaned. very young. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sucking (Thesaurus) suckfish sucking louse Related Content Daily Word Quiz: quandary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language