Which adjective describes someone who is very brave and fearless?

The adjective "intrepid" is the most fitting choice to describe someone who is very brave and fearless. This word encompasses a sense of boldness and a willingness to face danger or difficulties without fear. Traditionally, "intrepid" is associated with adventurers and explorers who undertake significant challenges in pursuit of knowledge or experience, showcasing their courage and determination.

In contrast, the other options present qualities that are the opposite of bravery. "Cowardly" describes someone who lacks courage and is often afraid. "Meek" refers to a person who is submissive or gentle, typically lacking assertiveness and bravery. "Timid" also indicates a lack of confidence or courage, emphasizing a reluctance to act or speak due to fear. Therefore, "intrepid" uniquely captures the essence of being brave and fearless.