scruple

nouns

a unit of apothecary weight equal to 20 grains
is a part of
a unit of apothecary weight equal to an eighth of an ounce or to 60 grains
is a type of (narrower)
any weight unit used in pharmacy; an ounce is equal to 480 grains and a pound is equal to 12 ounces
uneasiness about the fitness of an action
is derived from
an ethical or moral principle that inhibits action
is derived from
is a type of (narrower)
a rule or standard especially of good behavior
"a man of principle"; "he will not violate his principles"

verbs

hesitate on moral grounds
"The man scrupled to perjure himself"
is a type of (narrower)
interrupt temporarily an activity before continuing
"The speaker paused"
raise scruples
"He lied and did not even scruple about it"
is a type of (narrower)
worry unnecessarily or excessively
"don't fuss too much over the grandchildren--they are quite big now"
have doubts about
is a type of (narrower)
place in doubt or express doubtful speculation
"I wonder whether this was the right thing to do"; "she wondered whether it would snow tonight"