表層形
一番
イチバン
副詞
一番 (イチバン)
Ichiban · いちばん — number one, first, first place; best, most; game, round, bout
Other ways to say “number one” in Japanese →
一番 in rōmaji: ichiban.
副詞
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Updated: 2026年8月10日
📖 Grammar Information
| 表層形 (Surface) |
一番
|
|---|---|
| 読み (Reading) |
イチバン
|
| 品詞 (POS) |
副詞・*・*・*
|
| 活用型 (Conj. Type) |
*
|
| 活用形 (Conj. Form) |
*
|
| 表記 (Orthography) |
一番
|
| 読み・基本形 |
イチバン
|
| 表記・基本形 |
一番
|
| 見出し語の読み |
イチバン
|
💡 English Meaning
一番 means “number one, first, first place; best, most; game, round, bout” — full definition & examples →
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一番
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Reading & Info
イチバン
副詞***
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💡
Did you know · 副詞
副詞 (adverbs) modify verbs, adjectives and other adverbs. Unlike English, Japanese adverbs don't change form — they're invariable.
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❓ About this entry
What is the difference between surface form and lemma? ▼
The surface form (一番) is the exact text as it appeared in the corpus — it may be conjugated or inflected. The lemma (一番) 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? ▼
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