What term denotes courage or spirit?

The term that denotes courage or spirit is "mettle." This word is often used to describe an individual's ability to face challenges with bravery and resilience. When someone is said to have mettle, it implies they have a fortitude that enables them to confront difficult situations head-on, reflecting not just physical bravery but also moral strength and determination.

The other options do not convey the same meaning of courage or spirit. "Meticulous" refers to a high level of detail and precision, "minatory" is associated with threatening behavior, and "jejune" describes something that is dull or lacking significant meaning or interest. These definitions highlight why "mettle" is the most appropriate choice for denoting courage or spirit.