1
belch(verb, reject)
1
belie
1
bicker(verb, meet, attack, dispute, challenge)
1
blackball(verb, reject)
1
blacklist(verb, reject)
1
blow sky high(verb, expression, idiom, upset, break)
1
bombard(verb, meet, fight, battle, differ)
1
box(verb, meet, attack, dispute, challenge)
1
brawl(verb, meet, attack, dispute, challenge)
1
break(verb, upset, oppose, expose, argue)
1
bring to naught(verb, expression, idiom, upset, break)
1
brush with(expression, meet, attack, dispute, challenge)
1
buck(verb, meet, attack, dispute, challenge)
1
campaign against(verb, expression, meet, fight, battle)
1
carry on war(expression, idiom, meet, attack, dispute)
1
check(verb, reject)
1
chop(verb, reject)
1
clip(verb, reject)
1
collide
1
come across
10 years ago|4k views|share |citing 
APASmart Define. (2016). oppugn thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/oppugn/thesaurus/synonyms
ChicagoSmart Define. 2016. "oppugn thesaurus" https://smartdefine.org/oppugn/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, oppugn thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/oppugn/thesaurus/synonyms>.
MLASmart Define. "oppugn thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/oppugn/thesaurus/synonyms>