Nihoner
表層形
うわんっ
ウワンッ
副詞

うわんっ (ウワンッ)

Uwan · うわんっ — boohoo, boo hoo, waa waa; wow, huh; mythical monster that suddenly shouts "uwan", surprising passersby in the night

Other ways to say “boohoo” in Japanese →

うわんっ in rōmaji: uwan.

副詞 * * *
📝 うわん 🔤 * 📐 *
Updated: 2026年9月27日
📖 Grammar Information
表層形 (Surface)
うわんっ
見出し語 (Lemma)
うわん
読み (Reading)
ウワンッ
品詞 (POS)
副詞・*・*・*
活用型 (Conj. Type)
*
活用形 (Conj. Form)
*
表記 (Orthography)
うわんっ
読み・基本形
ウワンッ
表記・基本形
うわんっ
見出し語の読み
ウワン
How it's used

Mimetic word for a sudden loud shout or scream, often from a monster, used casually in manga, anime, or playful contexts; not in formal speech.

うわんっ、急に叫ばないでよ。
Uwan, kyuu ni sakebanai de yo.
Boo hoo, don't suddenly shout like that.

夜中にうわんっという声が聞こえた。
Yonaka ni uwan tte koe ga kikoeta.
I heard a sound like 'uwan' in the middle of the night.

⚖️ Sometimes confused with 'うわっ' (uwa), which is an exclamation of surprise, while 'うわんっ' is a more prolonged or theatrical shout.

💡 English Meaning

うわんっ means “boohoo, boo hoo, waa waa; wow, huh; mythical monster that suddenly shouts "uwan", surprising passersby in the night” — full definition & examples →

⭐ Dictionary Form

うわん (ウワン) — main entry →

🔗 Other Forms of うわんっ
🃏 Flashcard — Test Yourself
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うわんっ
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Reading & Info
ウワンッ
Lemma: うわん
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 (うわんっ) is the exact text as it appeared in the corpus — it may be conjugated or inflected. The lemma (うわん) 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.