Definition of demur:
(v) :
to linger; to stay; to tarry; to delay; to pause; to suspend proceedings or judgment in view of a doubt or difficulty; to hesitate; to put off the determination or conclusion of an affair
"upon this rub, the English embassadors thought fit to demur. -
Hayward?"
(n) :
Stop; pause; hesitation as to proceeding; suspense of decision or action; scruple
"all my demurs but double his attacks; At last he whispers, ``Do; and we go snacks. - Alexander Pope"