transitive verb

de·​fo·​cus (ˈ)dē-ˈfō-kəs How to pronounce defocus (audio)
defocused; defocusing
: to cause to be out of focus
defocused her eye
a defocused image

Dictionary Entries Near defocus

Cite this Entry

“Defocus.” Medical Dictionary, Merriam-Webster, Accessed 6 Feb. 2023.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Commonly Confused Words Quiz

  • vector image of a face with thought expression
  • I went to the ______ store to buy a birthday card.
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?