/ Dictionary / Index S swimmingly: Meaning and Definition of Find definitions for: swim•ming•ly Pronunciation: (swim'ing-lē), [key] — adv. without difficulty; with great success; effortlessly: She passed the exam swimmingly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: swimmingly (Thesaurus) swimming hole swimming pool Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language