表層形
でし
デシ
助動詞
でし (デシ)
Deshi · でし — be, is
でし in rōmaji: deshi.
助動詞
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📝 です 🔤 助動詞-デス 📐 終止形-一般
Updated: 2026年8月31日
📖 Grammar Information
| 表層形 (Surface) |
でし
|
|---|---|
| 見出し語 (Lemma) |
です
|
| 読み (Reading) |
デシ
|
| 品詞 (POS) |
助動詞・*・*・*
|
| 活用型 (Conj. Type) |
助動詞-デス
|
| 活用形 (Conj. Form) |
終止形-一般
|
| 表記 (Orthography) |
でし
|
| 読み・基本形 |
デス
|
| 表記・基本形 |
です
|
| 見出し語の読み |
デス
|
How it's used
A polite copula in casual speech, often used by young people or in manga/anime to sound cute or playful; equivalent to です but less formal.
これ、でし？
Kore, deshi?
This is it, right?
私、猫でし。
Watashi, neko deshi.
I'm a cat, you know.
⚖️ Commonly confused with です, the standard polite copula; でし is colloquial and stylized.
💡 English Meaning
でし means “be, is” — full definition & examples →
⭐ Dictionary Form
🔗 Other Forms of です
🃏 Flashcard — Test Yourself
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でし
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Reading & Info
デシ
Lemma: です
助動詞***
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💡
Did you know · 助動詞
助動詞 (auxiliary verbs) attach to verb stems to add meaning like negation (ない), past tense (た), or politeness (ます).
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🔗 More 助動詞 entries you might like
❓ About this entry
What is the difference between surface form and lemma? ▼
The surface form (でし) is the exact text as it appeared in the corpus — it may be conjugated or inflected. The lemma (です) 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.