Definition of: scruple

(skr′pəl) noun
1. Doubt or uncertainty regarding a question of moral right or duty; reluctance arising from conscientious disapproval.
2. An apothecaries' weight of twenty grains, or 1.295 grams (symbol: ).
3. A minute quantity.
4. An ancient Roman coin.
—v.t. & v.i. ·pled, ·pling To have scruples (about); hesitate (doing) from considerations of right or expediency. [<OF scrupule <L scrupulus, dim. of scrupus a sharp stone]