Dare/der/ Definition 1 of 5Pro Tip 1/3Expressing Courage Used when someone overcomes fear to confront a difficult situation. She dared to challenge the unfair rule. Pro Tip 2/3Subtle Encouragement Can be used to suggest someone should have the courage to act. Don't you dare give up now! Pro Tip 3/3Negative Statements Often used in negative forms to express a lack of courage. He wouldn't dare confront her.