/ Dictionary / Index S SMSA: Meaning and Definition of Find definitions for: SMSA Pronunciation: [key] Standard Metropolitan Statistical Area. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. SMS smudge 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