/ Dictionary / Index S swelter: Meaning and Definition of Find definitions for: swel•ter Pronunciation: (swel'tur), [key] — v.i. to suffer from oppressive heat. —v.t. to oppress with heat. to exude, as venom. —n. a sweltering condition. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: swelter (Thesaurus) swelling sweltering Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language