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rigour

UK /ˈɹɪɡə(ɹ)/noun

rigour is spelled R-I-G-O-U-R: 6 letters. It appears about once in every 2 million words in written English, the 43,187th most frequent word form (wordfreq, 2021 data). People search “rigor vs rigour” about 110 times a month (Google, United States). As a noun, rigour means “Severity or strictness” (English Wiktionary, September 2026). The plural of rigour is rigours.

How many letters and syllables are in rigour?

Letters6: R-I-G-O-U-R
In writingabout once in every 2 million words; the 43,187th most frequent word form
Wrong spellings searchednone measured in search
Pairs people search
Sounds like
Rhymes with

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); 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); rhymes and same-letter words are computed by PlainSpell from its own word list.

How common is rigour?

Rigour appears about once in every 2 million words in written English, the 43,187th 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 rigour?

  • UK /ˈɹɪɡə(ɹ)/

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

Words people confuse with rigour

Word pairs people search, with the monthly searches for “a vs b” (G: Google, B: Bing, United States).

Sounds like: rigger, rigor (Wiktionary's homophone list; some hold only in some accents).

Also written: rigor.

Sources: Google and Bing searches (September 2025 to August 2026, through DataForSEO); English Wiktionary (homophones, alternative spellings).

What rhymes with rigour?

One word on PlainSpell end in the same sounds as rigour from its last stressed vowel (/ɪɡə/, British pronunciation):

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 rigour

  • rigours plural
  • rigor

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

What does rigour mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    Severity or strictness.

  2. 2

    Harshness, as of climate.

  3. 3

    A feeling of cold with shivering accompanied by a rise in body temperature.

  4. 4

    Character of being unyielding or inflexible.

  5. 5

    Shrewd questioning.

  6. 6

    Higher level of difficulty.

Usage

Wiktionary also records rigour as a common misspelling of another word in some uses; the senses above are its own.

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

Rigour in Spanish, French, German and Portuguese

LanguageWords
Spanishrigor, riguridad (severity or strictness)
Frenchrigueur (character of being unyielding or inflexible)
Portugueserigor (higher level of difficulty)

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does rigour come from?

From Middle English rigour, from Anglo-Norman, from Old French rigor, from Latin rigor (“stiffness, rigidity, rigor, cold, harshness”), from rigere (“to be rigid”). Compare French rigueur.

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

What to look up after rigour