表層形
ハイタイ
名詞
ハイタイ
Haitai · はいたい — hello, hi
Other ways to say “hello” in Japanese →
ハイタイ in rōmaji: haitai.
名詞
固有名詞
一般
*
🔤 * 📐 *
Updated: 2026年8月21日
📖 Grammar Information
| 表層形 (Surface) |
ハイタイ
|
|---|---|
| 読み (Reading) |
ハイタイ
|
| 品詞 (POS) |
名詞・固有名詞・一般・*
|
| 活用型 (Conj. Type) |
*
|
| 活用形 (Conj. Form) |
*
|
| 表記 (Orthography) |
ハイタイ
|
| 読み・基本形 |
ハイタイ
|
| 表記・基本形 |
ハイタイ
|
| 見出し語の読み |
ハイタイ
|
💡 English Meaning
ハイタイ means “hello, hi” — full definition & examples →
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ハイタイ
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Reading & Info
ハイタイ
名詞固有名詞一般*
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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 (ハイタイ) is the exact text as it appeared in the corpus — it may be conjugated or inflected. The lemma (ハイタイ) 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.