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Updated June 2026
The action of investigating something or someone, involving systematic examination and research. It represents a formal or systematic inquiry into a matter.
“The police launched an investigation into the suspicious financial transactions.”
/ɪnˌvɛstəˈgeɪʃən/
in·ves·ti·ga·tion
Contains 'ATION' ending with multiple common vowels; features 'INVESTIG' prefix
Worth 19 points; 'V' and 'G' add value
Shorter words formed from the letters in “investigation”.
14-letter words you can spell by adding one letter to “investigation”.
Look up investigation in an authoritative dictionary for full definitions, pronunciation, and etymology.
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