Bold/bəʊld/ Definition 1 of 6Pro Tip 1/2Confident Action Use 'bold' to describe actions taken with strong self-assurance or risk. She made a bold move in negotiating with the company's CEO personally. Pro Tip 2/2Emphasizes Courage 'Bold' suggests bravery in facing fears or difficult situations. It was a bold act to protect the townspeople despite the danger.