5
obstructed(verb, adjective)
2
barred
1
barricaded
1
blockaded
1
blocked
1
choked
1
circumscribe
1
clogged
1
deadlocked
1
impassable
1
impeded
1
occluded
1
plugged
1
stalemated
1
stopped
1
stopped-up
1
stuffy
1
thrombosed
0
adhere
0
ambiguous
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APASmart Define. (2015). unobstructed thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unobstructed/thesaurus/antonyms
ChicagoSmart Define. 2015. "unobstructed thesaurus" https://smartdefine.org/unobstructed/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, unobstructed thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unobstructed/thesaurus/antonyms>.
MLASmart Define. "unobstructed thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/unobstructed/thesaurus/antonyms>