1. (

• probe ,
• examine ,

) question or examine thoroughly and closely ;

2. (

• probe ,
• dig_into ,
• poke_into

) examine physically with or as if with a probe; "probe an anthill" ;

1. (

• inquisitory ,
• probing ,
• searching

) diligent and thorough in inquiry or investigation; "a probing inquiry"; "a searching investigation of their past dealings" ;