Standard Lemma guide

oni

name · noun · 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

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: /ˈəʊni/
  • General-American: /ˈoʊni/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -əʊni

1

name

Meaning 1

Initialism of Office of Naval Intelligence.

Definition source: English Wiktionary via Wiktextract

Usage: US, abbreviation, alt-of, initialism

Topics: government, military, politics, war

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A Japanese evil spirit or demon.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

the military intelligence agency that provides for the intelligence and counterintelligence and investigative and security requirements of the United States Navy

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Office of Naval Intelligence

Antonyms: none provided

Broader terms: agency, federal agency, government agency, bureau, office, authority

History

Etymology

From Japanese 鬼 (oni).