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all-night Synonyms
Another word for all-night
Choosing another word for all-night that fits your sentence is easier when synonyms and similar words are paired with an exact adjective definition and ranked by match strength.
• adjective (Context 1)
Lasting, operating, or remaining open throughout the entire night.
Usage Example
"The university library opened a new nightlong study lounge for students preparing for final exams."
Strongest
nightlong
overnight
Strong
late-night
round-the-clock
Opposites of all-night
The opposite of all-night shifts depending on context. Common opposites include:
all-day
daytime
Cite this Entry
Wordmom. (2026). Synonyms for All-night. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/all--night