scrupulous

Conscientious and exact; painstaking. synonym: meticulous.

Having scruples; principled.

Inclined to scruple; hesitating to determine or to act; cautious from a fear of erring; especially, having scruples of conscience.

Given to making objections; captious.

Nice; doubtful.

Exact; precise; rigorous; punctilious.

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

Careful; cautious; exact; nice.

Given to making objections; captious.

Liable to be doubted; doubtful; nice.