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noun B1 Intermediate Uncommon

fortnight

FAWT-nyt

Fortnight (noun) means a period of two weeks. Example: “We're going on holiday for a fortnight in August.”

noun
1
A period of two weeks.
"We're going on holiday for a fortnight in August."

How to use fortnight

Learner’s notes

In plain EnglishTwo weeks, counted the old way — by nights rather than days.

UK vs US

Common in British and Australian English; rarely used in American English, where "two weeks" is standard.

Common pairings
a fortnight ago in a fortnight fortnight's notice

Word forms

fortnights plural

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Test yourself on “fortnight” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

We're going on holiday for a _____ in August.

Etymology

From Old English feowertiene niht, literally "fourteen nights" — the Anglo-Saxons counted time by nights rather than days.

Origin: Old English

two weeks

Frequently asked questions

What does “fortnight” mean?

The word “fortnight” means a period of two weeks. In plain terms, two weeks, counted the old way — by nights rather than days.

How do you pronounce “fortnight”?

“Fortnight” is pronounced FAWT-nyt (/ˈfɔɹt.naɪt/ in IPA).

How do you use “fortnight” in a sentence?

Here is “fortnight” used in a sentence: “We're going on holiday for a fortnight in August.”

What part of speech is “fortnight”?

“Fortnight” is a noun.

Where does the word “fortnight” come from?

The word “fortnight” comes from Old English. From Old English feowertiene niht, literally "fourteen nights" — the Anglo-Saxons counted time by nights rather than days.

Is “fortnight” a common word?

“Fortnight” is an uncommon word in modern English, usually learned at around the B1 level.

Definitions: FreeDict original editorial