Antonyms of noun openness

1 of 3 senses of openness

Sense 2
openness, nakedness -- (characterized by an attitude of ready accessibility (especially about one's actions or purposes); without concealment; not secretive)
       Antonym of closeness (Sense 5)
      => closeness, secretiveness -- (characterized by a lack of openness (especially about one's actions or purposes))

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

3 senses of openness

Sense 1
openness -- (without obstructions to passage or view; "the openness of the prairies")
       => spacing, spatial arrangement -- (the property possessed by an array of things that have space between them)

Sense 2
openness, nakedness -- (characterized by an attitude of ready accessibility (especially about one's actions or purposes); without concealment; not secretive)
       => sociability, sociableness -- (the relative tendency or disposition to be sociable or associate with one's fellows)

Sense 3
receptiveness, receptivity, openness -- (willingness or readiness to receive (especially impressions or ideas); "he was testing the government's receptiveness to reform"; "this receptiveness is the key feature in oestral behavior, enabling natural mating to occur"; "their receptivity to the proposal")
       => willingness -- (cheerful compliance; "he expressed his willingness to help")