5
reticent(adjective, quiet, talkative, secretive)
5
uncommunicative(adjective, quiet, shy, silent, confident)
4
avoiding contact
3
reserved(adjective, quiet, friendly, bold)
3
taciturn(adjective, talkative, uncommunicative)
3
introspective
3
mum
3
secretive(adjective, open, uncommunicative)
3
silent(adjective, quiet, explicit, speechless)
2
close-mouthed(adjective, quiet, prattling)
2
closemouthed
2
impassive(adjective, warm, sensitive)
2
inarticulate(adjective, unable)
2
incommunicative
2
poker-faced
2
speechless(adjective, responsive)
2
tightlipped
2
unfriendly(adjective, quiet)
2
uninformative(adjective, quiet)
2
unsociable(adjective, quiet)
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APASmart Define. (2016). communicative thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/communicative/thesaurus/antonyms
ChicagoSmart Define. 2016. "communicative thesaurus" https://smartdefine.org/communicative/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, communicative thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/communicative/thesaurus/antonyms>.
MLASmart Define. "communicative thesaurus" 23 March 2016. Web. 22 September 2026. <https://smartdefine.org/communicative/thesaurus/antonyms>