/ Dictionary / Index S similarity: Meaning and Definition of Find definitions for: sim•i•lar•i•ty Pronunciation: (sim"u-lar'i-tē), [key] — pl. -ties. the state of being similar; likeness; resemblance. an aspect, trait, or feature like or resembling another or another's: a similarity of diction. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: similarity (Thesaurus) similar similarity transformation 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