Find Synonyms

investigation Synonyms

Another word for investigation

Choosing another word for investigation depends on context, so the 12 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
JUMP TO:

• noun (Context 1)

A formal or systematic examination, inquiry, or search conducted to uncover facts and establish the truth about an event, problem, or allegation.

Usage Example

"The committee launched a thorough inquiry into the cause of the power outage."

Strongest
inquiry
examination
Strong
probe
inspection
inquest
review
audit

• noun (Context 2)

A detailed academic, scientific, or intellectual study of a particular subject or phenomenon.

Usage Example

"Her doctoral dissertation involved a five-year study of deep-sea hydrothermal vents."

Strongest
study
research
Strong
analysis
exploration
survey

• Nearby Words

investable
investible
investigate
investigation
investigative
investigator
investigatory

Cite this Entry

Wordmom. (2026). Synonyms for Investigation. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/investigation
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.