Investigation
Investigation noun - A systematic search for the truth or facts about something.
Usage example: officials launched an extensive investigation of the plane crash
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Synonyms for Investigation
Interrogation is a synonym for investigation in inquiry topic. In some cases you can use "Interrogation" instead a noun "Investigation", when it comes to topics like inquest.
Interrogation
Interrogation noun - An instance of questioning.
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Synonyms for Interrogation
Investigation is a synonym for interrogation in inquiry topic. You can use "Investigation" instead a noun "Interrogation", if it concerns topics such as questioning.
Mutual synonyms
Related pairs
- study and investigation
- study and interrogation
- survey and investigation
- survey and interrogation
- question and investigation
- question and interrogation
- quiz and investigation
- quiz and interrogation
- inquiry and investigation
- inquiry and interrogation
- probe and investigation
- probe and interrogation
- hearing and investigation
- hearing and interrogation
How words are described
| long | long investigation | long interrogation |
| normal | normal investigation | normal interrogation |
| brief | brief investigation | brief interrogation |
| initial | initial investigation | initial interrogation |
| Other adjectives: proper, actual, entire, thorough, real, successful, serious, little, careful, illegal, important, personal, secret, final, later, further, official, subsequent, last, lengthy, resulting, botched. | ||
Cite this Source
Interrogation and Investigation. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/investigation/interrogation
Investigation & Interrogation. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/investigation/interrogation>.
Interrogation or Investigation. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/investigation/interrogation.
Google Ngram Viewer shows how "investigation" and "interrogation" have occurred on timeline