scruples (Noun) — Motivation deriving logically from ethical or moral principles that govern a person's thoughts and actions.
scruples (Noun) — A unit of apothecary weight equal to 20 grains.
scruples (Noun) — Uneasiness about the fitness of an action.
scruples (Noun) — An ethical or moral principle that inhibits action.
scruples (Verb) — Hesitate on moral grounds. ex. "The man scrupled to perjure himself"
scruples (Verb) — Raise scruples. ex. "He lied and did not even scruple about it"
scruples (Verb) — Have doubts about.