Synonyms|19Antonyms|2|Broader|0Narrower|0Related|175
6
all-night
5
overnight
1
all night(expression, idiom)
1
lengthy
1
long
1
midnight
0
all night long(expression, idiom)
0
coherent
0
dour
0
farsighted
0
foresighted
0
foresightful
0
longer
0
longest
0
longsighted
0
night long(expression, idiom)
0
pertinacious
0
tenacious
0
unyielding
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APASmart Define. (2015). nightlong thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/nightlong/thesaurus/synonyms
ChicagoSmart Define. 2015. "nightlong thesaurus" https://smartdefine.org/nightlong/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, nightlong thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/nightlong/thesaurus/synonyms>.
MLASmart Define. "nightlong thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/nightlong/thesaurus/synonyms>