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Definition of nightlong

nightlong

/ˈnaɪtˌlɔːŋ/
night · long
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nightlong Lexical Profile

nightlong Game Scores & Validity

• adjective

1

Lasting or continuing throughout the entire night.

Example

"After a nightlong vigil at the hospital, the family finally received reassuring news from the surgeon."

Synonyms
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Antonyms
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• adverb

1

Throughout the entire duration of the night.

Example

"The celebratory music echoed nightlong across the valley."

Synonyms
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Antonyms
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• Nearby Words

nightjar
nightlife
nightlight
nightlong
nightly
nightmare
nightmarish

Word Origin & Etymology

Formed in Middle English as a compound of 'night' (from Old English niht) and 'long' (from Old English lang), originally arising from phrases such as 'all the night long'.

Cite this Entry

Wordmom. (2026). Definition of Nightlong. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/nightlong
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