Undaring is a word used to describe an individual who is unwilling to take risks or lacks courage. The antonyms for undaring include brave, courageous, bold, daring, fearless, audacious, adventurous, gutsy, intrepid, and valiant. Each of these antonyms has a unique meaning that highlights the individual's bravery and fearlessness in different situations. A brave person is someone who can face danger or fear without showing any sign of it, while a courageous person is someone who takes action in spite of fear. A bold person is someone who takes risks and acts confidently, while a daring person is someone who is willing to do bold and risky things. Fearless, audacious, adventurous, gutsy, intrepid, and valiant are all synonyms of brave and courageous, emphasizing the individual's fearlessness in various ways.