/ Dictionary / Index C compartmentalize: Meaning and Definition of Find definitions for: com•part•men•tal•ize Pronunciation: (kum-pärt-men'tl-īz", kom"pärt-), [key] — -ized, -iz•ing. to divide into categories or compartments. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: compartmentalize (Thesaurus) compartmental compartmentation Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language