* Cowardly: This is the most direct and common opposite, implying a lack of bravery and a tendency to avoid danger or difficulty.
* Fearful: This emphasizes the emotional state of being afraid, which can lead to a lack of courage.
* Timid: This suggests a gentle and shy nature that makes someone hesitant and unwilling to take risks.
* Hesitant: This implies a lack of confidence and a tendency to delay action due to doubt or fear.
* Apprehensive: This emphasizes a sense of anxiety and dread, which can make someone less likely to be courageous.
The best antonym for "courageous" will depend on the specific situation and the nuance you want to convey.