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Synonyms for hush-hush
adjective
- (Informal)
Known about by very few:
auricular, confidential, inside, private, secret. See show - (Informal)
Existing or operating in a way so as to ensure complete concealment and confidentiality:
clandestine, cloak-and-dagger, covert, huggermugger, secret, sub rosa, undercover. Idiom: under wraps. See show
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