Over-boldness is a trait that denotes excessive daring or recklessness in a person's behavior. If one seeks to invoke the opposite of over-boldness, there are several antonyms to use, such as prudence, caution, timidity, carefulness, circumspection, wariness, and attentiveness. The aforementioned antonyms signify a more measured approach to situations, with a greater emphasis on safety and security. Prudence emphasizes practical wisdom, while circumspection emphasizes vigilance and care. Timidity emphasizes the avoidance of risk altogether, while attentiveness emphasizes a keen awareness of one's surroundings. Finally, caution emphasizes a balance between boldness and restraint, with an emphasis on measured decision-making.