noun · 4 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
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
Received-Pronunciation:/ˈnaɪt aʊl/
General-American:/ˈnaɪt ˌaʊl/
Australia:Recorded audio is listed in the source snapshot.
1
noun
Meaning 1
An owl (order Strigiformes) that is nocturnal.
Definition source: English Wiktionary via Wiktextract
Usage: literally
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
One who goes to bed late, or stays up late at night or in the early hours of the morning.
Definition source: English Wiktionary via Wiktextract
Usage: idiomatic
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: nighthawk, night person
Antonyms: day lark, early bird, lark, morning person
3
noun
Meaning 3
A musical instrument which imitates an owl's hoot, consisting of a receptacle partly filled with water and a mouthpiece that is blown into.
Definition source: English Wiktionary via Wiktextract
Topics: entertainment, lifestyle, music
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
a person who likes to be active late at night
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: nighthawk, nightbird
Antonyms: none provided
Broader terms: individualist
History
Etymology
From night + owl, from the fact that the bird is active at night.
Across languages
Translations
67 source translations are retained for this English entry.