disavow (v.)

• abjure
• belie
• contest
• contradict
• contravene
• controvert
• counter
• cross
• deny
• disallow
• disclaim
• disown
• disprove
• dispute
• forswear
• gainsay
• impugn
• negate
• negative
• nullify
• oppose
• recant
• refute
• renege
• renounce
• repudiate
• retract
• revoke
• swallow
• unsay
• withdraw