Added 9 October 2026
investigation
/ɪnˌvɛs.tɪˈɡeɪ.ʃən/ noun
In Latin: quaestiō, indagatio, investigatio Wiktionary
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about investigation at Wordnik → Where our words come from →
-
An inquiry into unfamiliar or questionable activities.
there was a congressional probe into the scandal
- The work of inquiring into something thoroughly and systematically.
Origin
From Middle English investigacioun, from Old French investigacion, from Latin investigatio. Morphologically investigate + -ion.
From Wiktionary, via Kaikki.org (CC BY-SA)