1. in a way that seeks to discover something through careful examination or investigation
2. in a penetrating or probing manner, especially when looking at someone

Examples

• She looked at him searchingly, trying to determine if he was telling the truth.
• The detective questioned the witness searchingly about the events of that night.
• He gazed searchingly into her eyes, hoping to find some sign of forgiveness.
• The teacher examined the student’s work searchingly for any signs of plagiarism.
• She stared searchingly at the old photograph, trying to remember when it was taken.
• The journalist interviewed the politician searchingly about the corruption allegations.