表層形
忽ち
タチマチ
副詞
忽ち (タチマチ)
Tachimachi · たちまち — in an instant, in a moment, immediately, right away, at once; suddenly, all of a sudden, all at once
Other ways to say “in an instant” in Japanese →
忽ち in rōmaji: tachimachi.
副詞
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Updated: 2026年8月14日
📖 Grammar Information
| 表層形 (Surface) |
忽ち
|
|---|---|
| 読み (Reading) |
タチマチ
|
| 品詞 (POS) |
副詞・*・*・*
|
| 活用型 (Conj. Type) |
*
|
| 活用形 (Conj. Form) |
*
|
| 表記 (Orthography) |
忽ち
|
| 読み・基本形 |
タチマチ
|
| 表記・基本形 |
忽ち
|
| 見出し語の読み |
タチマチ
|
💡 English Meaning
忽ち means “in an instant, in a moment, immediately, right away, at once; suddenly, all of a sudden, all at once” — full definition & examples →
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忽ち
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Reading & Info
タチマチ
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 (忽ち) is the exact text as it appeared in the corpus — it may be conjugated or inflected. The lemma (忽ち) 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.