表層形
オッパイ
名詞
オッパイ
Oppai · おっぱい — boobs, boobies, breasts, tits; breast milk
Other ways to say “boobs” in Japanese →
オッパイ in rōmaji: oppai.
名詞
普通名詞
一般
*
📝 おっぱい 🔤 * 📐 *
Updated: 2026年9月28日
📖 Grammar Information
| 表層形 (Surface) |
オッパイ
|
|---|---|
| 見出し語 (Lemma) |
おっぱい
|
| 読み (Reading) |
オッパイ
|
| 品詞 (POS) |
名詞・普通名詞・一般・*
|
| 活用型 (Conj. Type) |
*
|
| 活用形 (Conj. Form) |
*
|
| 表記 (Orthography) |
オッパイ
|
| 読み・基本形 |
オッパイ
|
| 表記・基本形 |
オッパイ
|
| 見出し語の読み |
オッパイ
|
💡 English Meaning
オッパイ means “boobs, boobies, breasts, tits; breast milk” — full definition & examples →
⭐ Dictionary Form
🔗 Other Forms of オッパイ
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オッパイ
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Reading & Info
オッパイ
Lemma: おっぱい
名詞普通名詞一般*
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💡
Did you know · 名詞
名詞 (nouns) are the backbone of Japanese sentences. They can be combined with particles like が, を, に, で to indicate grammatical role.
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❓ About this entry
What is the difference between surface form and lemma? ▼
The surface form (オッパイ) is the exact text as it appeared in the corpus — it may be conjugated or inflected. The lemma (おっぱい) is the dictionary base form. For example, 食べた (surface) has the lemma 食べる.
What does the reading (pron) field mean? ▼
The reading shows the pronunciation in hiragana or katakana as recorded by UniDic. For kanji entries this is the standard reading of this specific surface form — which may differ from other readings of the same kanji.
What is UniDic? ▼
UniDic is a comprehensive Japanese lexicon developed by the National Institute for Japanese Language and Linguistics (NINJAL). It provides detailed morphological information for modern Japanese words, used in NLP tools like MeCab.
How do I save this entry? ▼
Click the ★ save button in the word card above (you need to be logged in). Saved entries appear in your personal Saved Dictionary page for quick review later.