Source : WordNet®

nonverbal
     adj 1: being other than verbal communication; "the study of
            gestural communication"; "art like gesture is a form
            of nonverbal expression" [syn: {gestural}]
     2: concerned with numbers rather than words; "the numerical
        part of the test"; "the nonverbal factor"
     3: lacking verbal skill; "rural students often come from
        nonverbal backgrounds"
     4: involving little use of language; "a nonverbal intelligence
        test"