non-verbal UK /ˌnɒnˈvɜː.bl̩/US /ˌnɑnˈvɝ.bl̩/adjective 3noun 1forms 1 adjective3 •In a form other than written or spoken words, such as gestures, facial expressions or body language. •Unable to speak. •(rare) Of or relating to a word that belongs to any part of speech other than that of verbs.Negative prefix in Russian is a distinctive feature of nonverbal parts of speech, namesly, nouns (even those that do not denote situations, e.g. 3a), adjectives (3b), and adverbs (3c): […] — 2009 noun1 •A sound, gesture, etc. that is not a word. formsnon-verbals