fluctuate
/ˈflʌkt͡ʃu.eɪt/verb
fluctuate is spelled F-L-U-C-T-U-A-T-E. The wrong spelling people search most is fluxuate: about 330 Bing searches a month in the United States (September 2025 to August 2026), about 1 in 10 of all searches for the word. Fluctuate is a verb meaning “To vary irregularly; to swing”.
How many letters and syllables are in fluctuate?
| Letters | 9: F-L-U-C-T-U-A-T-E |
|---|---|
| Syllables | 3 (from its American pronunciation) |
| In writing | about once in every 1 million words; the 29,270th most frequent word form |
| Wrong spellings searched | 1; the most searched, fluxuate, about 330 Bing searches a month (all of them) |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; 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).
How do you spell fluctuate?
Fluctuate is spelled F-L-U-C-T-U-A-T-E. One wrong spelling is searched or written often enough to measure; together they are about 1 in 10 of the searches for fluctuate in either form.
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.
How common is fluctuate?
Fluctuate appears about once in every 1 million words in written English, the 29,270th 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 fluctuate?
- /ˈflʌkt͡ʃu.eɪt/
- /ˈflʌkʃu.eɪt/
- /ˈflʌktju.eɪt/
Fluctuate 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: LL-Q1860_(eng)-Vealhurl-fluctuate.wav, Wikimedia Commons (author and licence on each file's page).
Forms of fluctuate
- fluctuates present, singular, he/she/it
- fluctuating participle, present
- fluctuated participle, past
- more fluctuate comparative
- most fluctuate superlative
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does fluctuate mean?
The meanings the English Wiktionary records, quoted as written there (source below).
verb
- 1
To vary irregularly; to swing.
- 2
To undulate.
- 3
To be irresolute; to waver.
I fluctuated between wishing he was back home and wishing I'd never met him.
- 4
To cause to vary irregularly.
- 5
rareTo rise and fall as a wave; to be tossed up and down the waves.
adjective
- 1
obsoleteTossed up and down the waves.
- 2
obsoleteWavering, fickle.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Fluctuate in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| French | fluctuer , onduler |
| German | schwanken, fluktuieren , (hin und her) schwanken |
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 fluctuate come from?
First attested in 1630; borrowed from Latin flūctuātus, perfect passive participle of flūctuō (“(of the sea) to surge, swell; (of man) to waver, fluctuate”), see -ate (verb-forming suffix) and -ate (adjective-forming suffix).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).