defocus

[dee-foh-kuhs]

verb (used with object)

defocused, defocusing , defocussed, defocussing .

1. to cause loss of focus of.

   The slightest movement will defocus the microscope.

2. to interrupt or disturb (concentration, attention, etc.).

3. to disturb the concentration or awareness of (someone).

verb (used without object)

defocused, defocusing , defocussed, defocussing .

1. to lose or go out of focus.

2. to lose concentration or awareness; become distracted.

noun

plural

defocuses 

1. the result of defocusing, as a blurred photographic image.

Word History and Origins

Origin of defocus¹

First recorded in 1930–35; de- + focus

Example Sentences

"There is no established market to buy a clean beach or a seabird colony - inevitably large and financially well-resourced oil companies can deploy cash, lobbyists and legal teams to delay and defocus the blame game away from their responsibility," he said.

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Up top is a new physical switch for power along with a mode switching button, a record button, and a background defocus button.

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I took this camera out for a day in Brooklyn to put its in-camera stabilization, defocus mode, and mic to the test.

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I was disappointed with the mic quality and background defocus button as well.

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And although the background defocus mode’s trick of opening up the lens aperture as much as possible to get the shallowest depth of field is great for beginners, I don’t think it’s valuable enough to devote a whole button to.

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