Answer: disallow

AnswerCrossword Clue
DISALLOWAbrogate
DISALLOWNegate
DISALLOWDeny
DISALLOWRefuse to accept
DISALLOWReject
DISALLOWRule out
DISALLOWRefuse to approve.
DISALLOWVeto
DISALLOWRule against
DISALLOWProhibit
DISALLOWReject, as a motion
disallowRefuse to declare valid
disallowto refuse to allow