investigation Meaning, Definition & Usage

  1. noun an inquiry into unfamiliar or questionable activities
    probe.
    • there was a congressional probe into the scandal
  2. noun the work of inquiring into something thoroughly and systematically
    investigating.

WordNet

In*ves`ti*ga"tion noun
Etymology
L. investigatio: cf. F. investigation.
Definitions
  1. The act of investigating; the process of inquiring into or following up; research; study; inquiry, esp. patient or thorough inquiry or examination; as, the investigations of the philosopher and the mathematician; the investigations of the judge, the moralist.

Webster 1913