Probe implies penetration to investigate or explore something hidden from sight or knowledge. See examples of probe used in a sentence. If you probe into something, you ask questions or try to discover facts about it.
The more they probed into his background, the more inflamed their suspicions would become. A probe was pushed slowly into the reactor core to determine how much radioactivity had been released. The scouts' probe of enemy territory.
If you probe something, you investigate it thoroughly. If you go into business with someone, you might probe her finances to make sure that she has a good track record. Probe noun [c] (search) a process in which someone tries to discover information about something by asking a lot of questions:
An fbi probe into corruption A space probe is a spacecraft which travels into space with no people in it, usually in order to study the planets and send information about them back to earth.
