/ Dictionary / Index C classify: Meaning and Definition of Find definitions for: clas•si•fy Pronunciation: (klas'u-fī"), [key] — -fied, -fy•ing. to arrange or organize by classes; order according to class. to assign a classification to (information, a document, etc.). Cf. classification (def. 5). to limit the availability of (information, a document, etc.) to authorized persons. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: classify (Thesaurus) classifier class inclusion Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language