Standard Lemma guide

nightlong

adj · adv · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

adj

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adv

Meaning 2

Through the night.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective satellite

Meaning 3

lasting, open, or operating through the whole night

Definition source: Princeton WordNet 3.0

Examples

  • a nightlong vigil
  • an all-night drugstore
  • an overnight trip

Meaning relationships

Synonyms: all-night, overnight

Antonyms: none provided

History

Etymology

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

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