nightlong

N1I1G2H4T1L1O1N1G2
/ˈnaɪt.lɒŋ/

adjective

Lasting a night (i.e. the duration of one night); lasting all night.

Similar
all-nightovernightlong
OriginMiddle English *nihtlong ← Old English nihtlang →
Scrabble 14
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Meanings

nightlong1

adjectivenightlong (not comparable)
  1. not comparableLasting a night (i.e. the duration of one night); lasting all night.

nightlong2

adverbnightlong (not comparable)
  1. not comparableThrough the night.

Synonyms & antonyms

adjectivelasting, open, or operating through the whole night

Similar
all-nightovernightlong
Also see
all-nightovernight

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

nightlong · adjective

  1. Old Englishnihtlang“lasting through the night, night-long, a night in length”
  2. Middle English*nihtlong
  3. Englishnightlong

From Middle English *nihtlong, from Old English nihtlang (“lasting through the night, night-long, a night in length”), equivalent to night + -long.

More words from Middle English, Old English

Full word history & related roots →

nightlong · adverb

  1. Old Englishnihtlanges“for the night”
  2. Middle Englishnihtlonge
  3. Englishnightlong

From Middle English nihtlonge, nihtlonges, from Old English nihtlanges (“for the night”), equivalent to night + -long.

More words from Middle English, Old English

Full word history & related roots →
Cite this entry
APA

nightlong. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/nightlong

MLA

“nightlong.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/nightlong. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “nightlong,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/nightlong.

Source: nightlong on Wiktionary, CC BY-SA 4.0.