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endeavour

/ɪnˈdɛv.ɚ/noun, verb

endeavour is spelled E-N-D-E-A-V-O-U-R. The wrong spelling people search most is endevour: about 520 Bing searches a month in the United States (September 2025 to August 2026), about 2 in 10 of all searches for the word. Endeavour is a noun meaning “British standard spelling of endeavor”. The plural of endeavour is endeavours.

How do you spell endeavour?

Endeavour is spelled E-N-D-E-A-V-O-U-R. One wrong spelling is searched or written often enough to measure; together they are about 2 in 10 of the searches for endeavour in either form.

endeavourthe right spelling1,880 searches a month
endevoura missing a520 searches a month

Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026). Wrong spellings are taken from Wiktionary entries tagged "misspelling" and its obsolete or nonstandard forms, Wikipedia's Lists of common misspellings and the codespell dictionary, then measured. The proofreader's marks show the change that corrects each one.

What does endeavour mean?

noun

  1. 1

    British standard spelling of endeavor.

verb

  1. 1

    British standard spelling of endeavor.

    November 20, 1777, William Pitt, 1st Earl of Chatham, Debate in the Lords on the Address of Thanks It is our duty […] to endeavour the recovery of these most beneficial subjects.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How do you pronounce endeavour?

  • UK /ɪnˈdɛv.ə/
  • US /ɪnˈdɛv.ɚ/
  • Australia /ɪnˈdev.ə/

Endeavour has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-endeavor.ogg, En-au-endeavour.ogg, Wikimedia Commons (author and licence on each file's page).

Forms of endeavour

  • endeavours plural, present, singular, he/she/it
  • endeavouring participle, present
  • endeavoured participle, past

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is endeavour?

Endeavour appears 2.8 times per million words in written English, the 16,005th 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).