表層形
恐らく
オソラク
副詞
恐らく (オソラク)
Osoraku · おそらく — probably, (most) likely, in all likelihood, I suspect, I dare say, I'm afraid
Other ways to say “probably” in Japanese →
恐らく in rōmaji: osoraku.
副詞
*
*
*
🔤 * 📐 *
Updated: 2026年8月12日
📖 Grammar Information
| 表層形 (Surface) |
恐らく
|
|---|---|
| 読み (Reading) |
オソラク
|
| 品詞 (POS) |
副詞・*・*・*
|
| 活用型 (Conj. Type) |
*
|
| 活用形 (Conj. Form) |
*
|
| 表記 (Orthography) |
恐らく
|
| 読み・基本形 |
オソラク
|
| 表記・基本形 |
恐らく
|
| 見出し語の読み |
オソラク
|
💡 English Meaning
恐らく means “probably, (most) likely, in all likelihood, I suspect, I dare say, I'm afraid” — full definition & examples →
🃏 Flashcard — Test Yourself
Can you read this?
恐らく
👆 Tap to reveal reading & info
Reading & Info
オソラク
副詞***
👆 Tap to flip back
💡
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.
🔍 Explore More Words
🔗 More 副詞 entries you might like
❓ About this entry
What is the difference between surface form and lemma? ▼
The surface form (恐らく) is the exact text as it appeared in the corpus — it may be conjugated or inflected. The lemma (恐らく) 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.