(1):

(a.) Full ofscrupules; inclined to scruple; nicely doubtful; hesitating to determine or to act, from a fear of offending or of doing wrong.

(2):

(a.) Given to making objections; captious.

(3):

(a.) Careful; cautious; exact; nice; as, scrupulous abstinence from labor; scrupulous performance of duties.

(4):

(a.) Liable to be doubted; doubtful; nice.