When spring comes, beautiful cherry blossoms open.
開
open, unfold, unseal
Kanji
Grade
Grade 3
Strokes
12 strokes
Radical
門部
On'yomi (Chinese Reading)
カイ
Kun'yomi (Japanese Reading)
ひらく, ひらき, -びらき, ひらける, あく, あける
Nanori (Name Reading)
さく, はる, はるき, ひら, ひらかす, ひらき, ひらく
Common Readings
カイ, あ…く, あ…ける, ひら…く, ひら…ける
Example sentences
I'm inviting friends to have a party.
When I opened the window, fresh air came in.
I fell asleep with the window open.
He finally broke his silence.
The story developed in an unexpected direction.
This company is expanding its business on a global scale.
We will start the meeting as soon as preparations are complete.
Now is the best time to start that project.
She opened her eyes wide in surprise.
Example Vocabulary
開く
to open; to bloom; to widen
開ける
to open; to unwrap; to unlock
口を開く
to start talking; to break one's silence; to open one's mouth
展開
development; progression; unfolding
開始
start; beginning; commencement
見開く
to open (one's eyes) wide
開発
development; creation; exploitation
再開
reopening; resumption
開ける
to open; to unwrap; to unlock
開催
holding (an event); hosting; opening
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.