Synonyms of probing

Verb

1. probe, examine, investigate, look into

usage: question or examine thoroughly and closely

2. probe, dig into, poke into, penetrate, perforate

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

Adjective

1. inquisitory, probing, searching, inquiring (vs. uninquiring)

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