/ Dictionary / Index S sweltering: Meaning and Definition of Find definitions for: swel•ter•ing Pronunciation: (swel'tur-ing), [key] — adj. suffering oppressive heat. characterized by oppressive heat; sultry. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sweltering (Thesaurus) swelter sweltry Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language