31 entries under noun topic. ×

5
refusal
3
ban
3
denial
3
veto
2
prohibition(ban, permission, forbiddance)
1
embargo
1
condemnation(praise, sanction, conviction, blaming)
1
disapproval
1
grounding(opposition, sufferance)
1
obstacle(help, impediment, barrier)
0
block(support, go)
0
blockage
0
bar
0
band
0
barricade
0
barrier
0
barroom
0
bolt
0
clog
0
closure
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APASmart Define. (2015). clearance thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/clearance/thesaurus/antonyms
ChicagoSmart Define. 2015. "clearance thesaurus" https://smartdefine.org/clearance/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2015, clearance thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/clearance/thesaurus/antonyms>.
MLASmart Define. "clearance thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/clearance/thesaurus/antonyms>