Yellow-bellied is an adjective used to describe someone who is cowardly or lacks bravery. The opposite of yellow-bellied would be someone who is brave, courageous, or daring. These antonyms describe individuals who are willing to take risks or face danger without hesitation. Examples of antonyms for more yellow-bellied include fearless, intrepid, bold, adventurous, and heroic. These traits are typically associated with individuals who have confidence in themselves and their abilities, and are willing to face obstacles head-on. In contrast, being yellow-bellied suggests a lack of confidence and a tendency to avoid challenges or confrontations.