Defocus

//diˈfoʊkəs// noun, verb

noun, verb ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The process of going out of focus. uncountable
  2. 2
    The distance by which the focal point is in front of (positive defocus) or beyond (negative defocus) the image or target surface. uncountable

    "Fundamental to the concept of recovering the depth by measuring defocus is the relationship between the focused and the defocused images of a scene."

Verb
  1. 1
    To cause (a lens, or a beam of light or particles, etc.) to be out of focus. transitive

Synonyms

All synonyms
blurdarknessdimdimnessfilmfog

Antonyms

All antonyms
focus

Example

More examples

"Fundamental to the concept of recovering the depth by measuring defocus is the relationship between the focused and the defocused images of a scene."

Etymology

From de- + focus.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.