"nonverbal" in the adjective sense
1. gestural, nonverbal
being other than verbal communication
"the study of gestural communication"
"art like gesture is a form of nonverbal expression"
2. nonverbal
lacking verbal skill
"rural students often come from nonverbal backgrounds"
3. nonverbal
involving little use of language
"a nonverbal intelligence test"
Source: WordNet® (An amazing lexical database of English)
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