verb (used with object), in·clud·ed, in·clud·ing.
- to contain, as a whole does parts or any part or element: The package includes the computer, program, disks, and a manual.
- to place in an aggregate, class, category, or the like.
- to contain as a subordinate element; involve as a factor.
- to have as contents or part of the contents; be made up of or contain
- to add as part of something else; put in as part of a set, group, or category
- to contain as a secondary or minor ingredient or element
c.1400, from Latin includere “to shut in, enclose, imprison, insert,” from in- “in” (see in- (2)) + claudere “to shut” (see close (v.)). The alleged Sam Goldwyn-ism, “Include me out,” is attested from 1937. Related: Included; including.