(n): motivation based on ideas of right and wrong
(n): a unit of apothecary weight equal to 20 grains
(n): any weight unit used in pharmacy; an ounce is equal to 480 grains and a pound is equal to 12 ounces
(n): uneasiness about the fitness of an action
(n): a vague unpleasant emotion that is experienced in anticipation of some (usually ill-defined) misfortune
(n): an ethical or moral principle that inhibits action
(n): a rule or standard especially of good behavior
scruple
(v): hesitate on moral grounds
(v): interrupt temporarily an activity before continuing
(v): raise scruples
(v): worry unnecessarily or excessively
(v): have doubts about
(v): place in doubt or express doubtful speculation