Japanese

かす
Meaning: to change into; to turn into; to transform
Part of Speech: Verb

Listen to pronunciation

Show inflections Hide inflections

Verb inflections

Form Affirmative Negative
Present 化す 化さない
Polite 化します 化しません
Past 化した 化さなかった
Polite + Past 化しました 化しませんでした
Te-form 化して 化さなくて
Potential 化せる 化せない
Passive 化される 化されない
Causative 化させる 化させない
Imperative 化せ 化すな

Handwriting

化
す

Example sentences

That old castle turned to ash in a single night.
地震のあと、街は瓦礫の山と化した。
After the earthquake, the town turned into a mountain of rubble.
戦争によって、美しい街が焦土と化した。
Due to the war, the beautiful city was turned into scorched earth.
東京大空襲で、下町一帯は焦土と化した。
The Great Tokyo Air Raid turned the low-lying areas of the city into a scorched wasteland.

Usage Notes

Used when something undergoes a complete transformation. It often appears in the form 'AがBと化す' (A turns into B).

Sottaku

About Sottaku

Sottaku is an app for learning Chinese, Japanese, Korean, English, Spanish, French, German, and Italian with a strong focus on SRS. It includes automatic flashcard creation for hundreds of thousands of words, grammar breakdowns in example sentences, language-specific study packs where available, adaptive quizzes, mobile apps, a browser extension, and community features. Give it a try now! All learning content is free with no limits on flashcards or study time.

Sottaku is built to match the habits of successful learners. By using Sottaku, you will naturally learn in the most efficient way possible, as proven by countless success stories in the language learning community.

Free Forever

Access all grammar guides, quizzes, and flashcards without paying a cent. Quality education should be accessible to everyone.

Smart SRS System

Our flashcard system uses the FSRS algorithm (also used in Anki) to optimize your review schedule and maximize retention.

Comprehensive Content

From hanzi, kana, hangul, and European vocabulary basics to grammar and reading practice where available, we have lessons for every level. Practice with quizzes tailored to your skill.

Community Chat

Ask level-appropriate questions and get help from the community. Learn together with fellow learners across all 8 supported languages.