Probing (verb)

1. Searching deeply into someone or something in order to find information or knowledge.
2. Investigating or questioning in a thorough or intrusive way.
3. Testing or examining something in a methodical way to determine its properties or characteristics.

Origin:

Late middle english from the latin verb probare, meaning 'to test, to prove'.

Examples:

1. The reporter spent hours probing the politician's past.
2. The doctor conducted a probing examination of the patient's symptoms.
3. The engineer was probing the damaged bridge to determine its structural integrity.
4. The detective continued to probe the witness for information on the crime.
5. The scientist was probing the composition of the planet's atmosphere.