To make false accusations or levy false charges against a person with the intent to tarnish that person's reputation or standing; to calumniate.
Falsifications or misrepresentations intended to disparage or discredit another.
A false accusation or charge brought to tarnish another's reputation or standing.
A small detail or distinction.
Delicacy of character or feeling usually from excessive refinement; fastidiousness
Subtlety or precision of use; exactness; preciseness.
A rocket-propelled grenade doesn't have the nicety of a sniper round, but you must admit its effectiveness.