1. Diligent and thorough in inquiry or investigation
   "a probing inquiry";
   - inquisitory, searching

1. Investigate thoroughly to see if true
   "The journalist probed the politician's claims about the scandal";
   - examine
    
2. Examine physically with or as if with a probe
   "probe an anthill";
   - dig into, poke into

See also: inquiring

Type of: investigate, look into, penetrate, pierce

Encyclopedia: Probing