Adjective sign language has 1 sense
  1. gestural, sign, signed, sign-language - used of the language of the deaf
    Antonyms: uncommunicative, incommunicative (indirect, via communicative)
,Noun sign language has 1 sense
  1. sign language, signing - language expressed by visible hand gestures
    --1 is a kind of language, linguistic communication
    --1 has parts: sign
    --1 has particulars: finger spelling, fingerspelling; ASL, American sign language
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