Antonyms of noun communicativeness

1 sense of communicativeness

Sense 1
communicativeness -- (the trait of being communicative)
       Antonym of uncommunicativeness (Sense 1)
      => uncommunicativeness -- (the trait of being uncommunicative)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun communicativeness

1 sense of communicativeness

Sense 1
communicativeness -- (the trait of being communicative)
       => trait -- (a distinguishing feature of your personal nature)