The term 'lacking courage' can be described with a number of antonyms, including 'fearless,' 'brave,' 'bold,' 'audacious,' 'daring,' 'courageous,' and 'intrepid.' Each of these adjectives refers to someone who takes risks or faces challenges without hesitation or fear. A fearless person is unafraid of danger, while a brave individual has the courage to stand up for what is right. Those who are bold are not afraid to take bold steps, while audacious people take bold steps without considering the consequences. Daring individuals have the courage to take risks, while courageous and intrepid individuals never give up or back down under any circumstances.