investigated; investigating
Definition of investigate
: to observe or study by close examination and systematic inquiry
: to make a systematic examination
especially
: to conduct an official inquiry
Keep scrolling for more
Keep scrolling for more
Keep scrolling for more
Keep scrolling for more
Test Your Vocabulary
The Exceptions Quiz III
-
- Which of these words does not mean "nonsense"?

Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
Spell words. Make bears.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share investigate
Time Traveler for investigate
The first known use of investigate was in the 15th century
See more words from the same century