(n.) The act of contravening; opposition; obstruction; transgression; violation.

abandonment abdication abeyance abjurement abrogation absolute contradiction annulment cessation cession chucking chucking out cold storage contempt contradiction contrary assertion contravention controversion countering crossing declination declining denial desistance despisal despising disaffirmation disallowance disapproval disavowal discard disclaimer disclamation discontinuance discounting dismissal disowning disownment dispensation disposal disposition disproof disregard dropping out dumping exception exclusion expatriation forbearance forgoing forswearing gainsaying getting rid of giving up handing over ignoring impugnment letting go nonacceptance nonapproval nonconsideration nonexercise nullification palinode palinody passing by putting away putting out rebuff recantation refusal refutation rejection release relinquishment reneging renouncement renunciation repudiation repulse resignation retractation retraction revocation revokement riddance sacrifice scouting spurning surrender suspension swearing off throwing out turning out unsaying waiver withdrawal withdrawing yielding