/ Dictionary / Index S slatternly: Meaning and Definition of Find definitions for: slat•tern•ly Pronunciation: (slat'urn-lē), [key] — adj. slovenly and untidy. characteristic or suggestive of a slattern. —adv. in the manner of a slattern. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: slatternly (Thesaurus) slattern slatting 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