defocus
/diˈfoʊkəs/verb, noun
defocus is spelled D-E-F-O-C-U-S: 7 letters. It appears about once in every 19 million words in written English, the 133,440th most frequent word form (wordfreq, 2021 data). As a verb, defocus means “To cause (a lens, or a beam of light or particles, etc.) to be out of focus” (English Wiktionary, September 2026).
How many letters and syllables are in defocus?
| Letters | 7: D-E-F-O-C-U-S |
|---|---|
| In writing | about once in every 19 million words; the 133,440th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with | |
| Same letters |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is defocus?
Defocus appears about once in every 19 million words in written English, the 133,440th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce defocus?
- UK /diːˈfəʊkəs/
- US /diˈfoʊkəs/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What rhymes with defocus?
3 words on PlainSpell end in the same sounds as defocus from its last stressed vowel (/oʊkəs/):
Spelled with the same letters in another order: focused.
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of defocus
- defocuses present, singular, he/she/it
- defocusses present, singular, he/she/it
- defocusing participle, present
- defocussing participle, present
- defocused participle, past
- defocussed participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does defocus mean?
The meanings the English Wiktionary records, quoted as written there (source below).
verb
- 1
To cause (a lens, or a beam of light or particles, etc.) to be out of focus.
noun
- 1
The process of going out of focus.
- 2
The distance by which the focal point is in front of (positive defocus) or beyond (negative defocus) the image or target surface.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does defocus come from?
From de- + focus.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).