3
unannounced(adjective, disclosed)
2
secret
2
private
1
undeclared
1
concealed
1
esoteric
1
nonpublic
0
behind-the-scenes
0
hush-hush
0
intimate
0
confidential
0
hushed
0
inside
0
privy
0
repressed
0
requested
0
suppressed
0
unheralded(adjective, unexpected)
0
hidden
0
without warning(expression, celebrated)
11 years ago|821 views|share |citing 
APASmart Define. (2015). announced thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/announced/thesaurus/antonyms
ChicagoSmart Define. 2015. "announced thesaurus" https://smartdefine.org/announced/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2015, announced thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/announced/thesaurus/antonyms>.
MLASmart Define. "announced thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/announced/thesaurus/antonyms>