Japanese

かす

ふかす
Meaning: to puff (smoke); to rev up (engine); to put on airs
Part of Speech: Verb

Listen to pronunciation

Show inflections Hide inflections

Verb inflections

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

Handwriting

吹
か
す

Example

He sat on the bench and puffed on his pipe.

Usage Notes

Used for puffing smoke from a pipe or cigarette, or for revving an engine. Also used in the idiom '先輩風を吹かす' (to put on airs of a senior).

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.