7
obstructer
7
resister
7
thwarter
5
obstructive
5
obstructor
4
disputant(noun, opponent)
4
filibuster(noun, opponent)
4
filibusterer
3
brawler
3
naysayer
3
opposer
2
antagonist
2
diehard(right, moderate, conservative, conformist, reactionary)
2
impediment
2
oppositionist
2
wrangler
1
bitter-ender(right, moderate, conservative, conformist, reactionary)
1
conservative(noun, person, moderate, conformist, reactionary)
1
classicist(right, moderate, conservative, conformist, reactionary)
1
conserver(right, moderate, conservative, conformist, reactionary)
11 years ago|1.6k views|share |citing 
APASmart Define. (2015). obstructionist thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/obstructionist/thesaurus/synonyms
ChicagoSmart Define. 2015. "obstructionist thesaurus" https://smartdefine.org/obstructionist/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, obstructionist thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/obstructionist/thesaurus/synonyms>.
MLASmart Define. "obstructionist thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/obstructionist/thesaurus/synonyms>