Investigation
13 lettersnouncommonUpdated February 2026
Definition
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.”
Related Words
Synonyms
Word Game Tips
🟩
Wordle
Contains 'ATION' ending with multiple common vowels; features 'INVESTIG' prefix
🔤
Scrabble
Worth 19 points; 'V' and 'G' add value
Explore Similar Words
Try These Tools
Dictionary References
Look up investigation in an authoritative dictionary for full definitions, pronunciation, and etymology.
Ready to test your word skills?
Download Word Challenge and challenge yourself with our daily word puzzles. Guess the hidden word in six tries or fewer!