oppose (v.)

• abjure
• analogize
• antagonize
• array
• arrest
• assimilate
• attack
• balance
• ban
• bar
• belie
• blackball
• block
• buck
• challenge
• check
• clash
• collide
• combat
• compare
• complain
• conflict
• confront
• confute
• contend
• contest
• contradict
• contrast
• contravene
• controvert
• counter
• counteract
• counterattack
• counterbalance
• countercheck
• counterpoise
• counterpose
• countervail
• cross
• curb
• damp
• dampen
• defy
• delay
• deny
• detain
• differ
• disagree
• disallow
• disapprove
• disavow
• disclaim
• disfavor
• disown
• disprove
• dispute
• dissent
• duel
• exclude
• face
• fight
• foil
• forswear
• front
• frustrate
• gainsay
• hinder
• impede
• impugn
• inhibit
• intercept
• interfere
• interrupt
• intervene
• liken
• match
• meddle
• nullify
• object
• obstruct
• obviate
• offset
• oppugn
• ostracize
• parallel
• pit
• polarize
• preclude
• prevent
• protest
• recalcitrate
• recant
• refute
• reject
• relate
• remonstrate
• renounce
• repel
• repress
• repudiate
• resist
• restrain
• restrict
• retard
• retract
• revoke
• revolt
• scotch
• secede
• slacken
• slow
• snub
• stand
• stop
• subtend
• suppress
• thwart
• traverse
• vie
• weigh
• withdraw
• withstand