Nihoner
表層形
さきおととい
サキオトトイ
名詞

さきおととい (サキオトトイ)

Sakiototoi · さきおととい — two days before yesterday, three days back (ago)

Other ways to say “two days before yesterday” in Japanese →

さきおととい in rōmaji: sakiototoi.

名詞 普通名詞 一般 *
📝 一昨昨日 🔤 * 📐 *
Updated: 2026年10月1日
📖 Grammar Information
表層形 (Surface)
さきおととい
見出し語 (Lemma)
一昨昨日
読み (Reading)
サキオトトイ
品詞 (POS)
名詞・普通名詞・一般・*
活用型 (Conj. Type)
*
活用形 (Conj. Form)
*
表記 (Orthography)
さきおととい
読み・基本形
サキオトトイ
表記・基本形
さきおととい
見出し語の読み
サキオトトイ
💡 English Meaning

さきおととい means “two days before yesterday, three days back (ago)” — full definition & examples →

⭐ Dictionary Form

一昨昨日 (サキオトツイ) — main entry →

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さきおととい
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Reading & Info
サキオトトイ
Lemma: 一昨昨日
名詞普通名詞一般*
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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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語
❓ About this entry
What is the difference between surface form and lemma? ▼
The surface form (さきおととい) is the exact text as it appeared in the corpus — it may be conjugated or inflected. The lemma (一昨昨日) 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.