repudiation (n.)

• abjuration
• abnegation
• abrogation
• alienation
• annulment
• apostasy
• ban
• bar
• barring
• blockade
• boycott
• circumscription
• contempt
• contradiction
• contravention
• crossing
• debarment
• declension
• declination
• default
• defection
• delinquency
• demarcation
• denial
• deprivation
• despisal
• despising
• difference
• disaffirmation
• disagreement
• disapprobation
• disapproval
• disavowal
• discard
• disclaimer
• dishonor
• dismissal
• disobedience
• disowning
• disownment
• disparity
• disproof
• disregard
• dissatisfaction
• dissension
• dissent
• dissidence
• diversity
• embargo
• exception
• exclusion
• expatriation
• forswearing
• inadmissibility
• injunction
• lockout
• narrowing
• nay
• negation
• negative
• nix
• no
• nonacceptance
• noncompliance
• nonconformity
• nonobservance
• nonpayment
• nonremittal
• nullification
• omission
• opposition
• preclusion
• prohibition
• protest
• rebuff
• recantation
• recusancy
• refusal
• refutation
• rejection
• relegation
• renouncement
• renunciation
• repulse
• restriction
• retention
• retraction
• revocation
• scouting
• secession
• taboo
• turndown
• underground
• unwillingness
• variance
• withdrawal
• withholding