o.
The hiragana syllable お (o) or the katakana syllable オ (o) in Hepburn romanization.
Meaning & usage
The hiragana syllable お (o) or the katakana syllable オ (o) in Hepburn romanization.
The hiragana syllable を (o) or the katakana syllable ヲ (o) in Hepburn romanization. (as particle)
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o has 1 character. Say it out loud, try it alongside a description of your project, and see whether its meaning fits what you want to create.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.