/ Dictionary / Index S sectionalize: Meaning and Definition of Find definitions for: sec•tion•al•ize Pronunciation: (sek'shu-nl-īz"), [key] — -ized, -iz•ing. to render sectional. to divide into sections, esp. geographical sections. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sectionalize (Thesaurus) sectionalism section boss 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