While or whilst?
while is a noun meaning “An uncertain duration of time, a period of time”; whilst is an adverb meaning “Often preceded by the: During the time; meanwhile”. Use while as a noun and whilst as an adverb. In written English (wordfreq, 2021 data) while is about 30 times as common as whilst.
What is the difference between while and whilst?
| while | whilst | |
|---|---|---|
| Part of speech | noun, conjunction, preposition, verb | adverb, conjunction |
| Meaning | An uncertain duration of time, a period of time An uncertain long period of time During the same time that | Often preceded by the: During the time; meanwhile |
| Example | He lectured for quite a long while | Drivers must switch off engines whilst on stand |
| Pronunciation | /ʍaɪl/ /waɪl/ /wæl/ | /waɪlst/ /ʍaɪlst/ /wɪlst/ |
| In writing | 724 times per million words | 24 times per million words |
Sources: while and whilst in the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Every current meaning of while and whilst
while
- 1
An uncertain duration of time, a period of time
He lectured for quite a long while
- 2
During the same time that
He was sleeping while I was singing
- 3
ScotlandUntil
- 4
To pass (time) idly
I whiled away the hours whilst waiting for him to arrive
- 5
An uncertain long period of time
- 6
Although
This case, while interesting, is a bit frustrating
- 7
To occupy or entertain (someone) in order to let time pass
- 8
An uncertain short moment
whilst
- 1
Often preceded by the: During the time; meanwhile
Source: the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); obsolete, archaic, dialect and rare senses left out.
Which is more common, while or whilst?
while appears 724 times per million words; whilst 24 times per million words.
while 724 times per million wordswhilst 24 times per million words
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How many people search while vs whilst?
“while vs whilst” is searched about 8,100 times a month on Google and 170 on Bing in the United States. Google counts close variants of a query together (“whilst vs while”, “while or whilst”).
Sources: Google Ads keyword data through DataForSEO and Microsoft Advertising keyword data through DataForSEO, the average month from September 2025 to August 2026.