1. in a way that is not careful or cautious; without being on guard
2. in an open, honest way without concealing one’s thoughts or feelings

Examples

• She spoke unguardedly about her personal problems to a stranger.
• He unguardedly left his wallet on the restaurant table.
• The politician answered the reporter’s questions unguardedly.
• Walking unguardedly through the dark alley was a mistake.
• She smiled unguardedly when she saw her old friend.
• The witness testified unguardedly about what he had seen.
• He unguardedly revealed company secrets during the casual conversation.