probing

About 2.59 uses per million words.

Meaning

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

   He was unsettled by her probing questions.

2. noun The action of investigating or exploring.
3. verb present participle and gerund of probe

Similar words

searching investigation inquiring inquisitory investigate survey exploring detecting snooping poll

Often followed by

the of questions and into for with in to