彼は一生をかけて膨大な財産を築いた。
He spent his entire life building up his massive fortune.
Listen to pronunciation
Handwriting
Example sentences
This project requires a vast amount of time and expense.
専門家が膨大なデータを解析して、市場の動向を予測した。
Experts analyzed vast amounts of data to predict market trends.
その古い屋敷には、膨大な蔵書を収めた秘密の書庫があった。
In that old mansion, there was a secret library containing a vast collection of books.
祖父の書斎には、長年かけて集められた膨大な蔵書がある。
In my grandfather's study, there is a massive collection of books gathered over many years.
彼は膨大な資料を一つの報告書にまとめ上げた。
He compiled the vast amount of materials into a single report.
新薬の開発には膨大な費用と時間がかかる。
Developing a new drug takes a huge amount of money and time.
宇宙船が地球の大気圏に再突入する際、膨大な熱が発生する。
When a spaceship re-enters the Earth's atmosphere, a huge amount of heat is generated.
この地域には、膨大な量の金が埋蔵されていると言われている。
It is said that a vast amount of gold is buried in this area.
ゼタバイトは膨大なデータ量です。
A zettabyte is an enormous amount of data.
Usage Notes
Describes something that has expanded greatly in scale, volume, or number. Often used for costs, time, or amounts of data.
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.