probing

adj

1. That investigates or explores deeply; that attempts to elicit information that is concealed.

   “He was unsettled by her probing questions.”

   “He was not sure he wanted too probing an inquiry into the state of his health.”

noun

1. The action of investigating or exploring.

   “Rooney was the subject of some mischievous probing from the Russia media before the game as they suggested his retreat into midfield was a measure of his declining powers.”

verb

1. (form-of, gerund, participle, present)present participle and gerund of probe