3
unclear(adjective, limited, restricted, hindered)
3
vague(adjective, limited, restricted, hindered)
2
inaccessible(adjective, limited, restricted, hindered)
2
surreptitious(adjective, secret, sneaky)
2
adjourn(verb, stop, advance, complete, do)
2
bar(verb, secure, loose, prohibit, usually)
2
biased(adjective, dark)
2
black
2
bond(verb, stick, fasten)
2
bury(verb, stop, complete)
2
cagey
2
clandestine(adjective, secret, sly)
2
close up(verb, expression, phrasal verb, hold, fix)
2
compact
2
conceal(verb, hold, fix, disregard, reveal)
2
confidential
2
cover(verb, stop, complete, reveal, expose)
2
covered
2
crafty
2
cunning
10 years ago|9.2k views|share |citing 
APASmart Define. (2016). open thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/open/thesaurus/antonyms
ChicagoSmart Define. 2016. "open thesaurus" https://smartdefine.org/open/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, open thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/open/thesaurus/antonyms>.
MLASmart Define. "open thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/open/thesaurus/antonyms>