1 : applicable to or common to all members of a group or set; "the play opened to universal acclaim"; "rap enjoys universal appeal among teenage boys"
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1 : a behavioral convention or pattern characteristic of all members of a particular culture or of all human beings; "some form of religion seems to be a human universal"
2 : coupling that connects two rotating shafts allowing freedom of movement in all directions; "in motor vehicles a universal joint allows the driveshaft to move up and down as the vehicle passes over bumps"
