莫ばく大だいは東とう南なんアジア原げん産さんの植しょく物ぶつで、種しゅ子しが漢かん方ぽう薬やくに使つかわれる。
The malva nut is a plant native to Southeast Asia, and its seeds are used in traditional Chinese medicine.

Usage patterns

莫ばく大だいな財ざい産さんa vast fortune
彼かれは莫ばく大だいな財ざい産さんを息子むすこに残のこした。
He left a vast fortune to his son.
莫ばく大だいな借しゃっ金きんan enormous debt
会かい社しゃは莫ばく大だいな借しゃっ金きんを抱かかえて倒とう産さんした。
The company went bankrupt while carrying an enormous debt.
莫ばく大だいな費ひ用ようがかかるto incur enormous costs
新あたらしい工こう場じょうを建たてるには莫ばく大だいな費ひ用ようがかかる。
Building a new factory requires enormous costs.
莫ばく大だいな利り益えきを得えるto reap enormous profits
その投とう資しで莫ばく大だいな利り益えきを得えた。
He reaped enormous profits from that investment.
莫ばく大だいな時じ間かんを費ひやすto spend a huge amount of time
そのプロジェクトには莫ばく大だいな時じ間かんを費ひやした。
We spent a huge amount of time on that project.

Kanji

膨ぼう大だいN2sense 1
膨大 often emphasizes physical bulk or sheer volume (e.g. data, documents), while 莫大 is preferred for abstract scale like money or wealth.
巨きょ大だいN3sense 1
巨大 describes gigantic physical size, whereas 莫大 is used for immense abstract quantities such as sums of money or effort.
多た大だいN1sense 1
多大 is used for a great degree of impact or damage (多大な影響), while 莫大 more strongly implies an enormous quantity or sum.
絶ぜつ大だいN1sense 1
絶大 describes overwhelming trust, popularity, or power (絶大な信頼), while 莫大 is used for huge amounts like money or resources.

Show 5 more

無む量りょう
莫大 describes something enormous or vast, especially concrete amounts like money or damage, whereas 無量 suggests something abstract that defies measurement altogether.
巨きょ額がく
莫大 means vast or enormous and can describe effort, quantity, or influence as well as money, whereas 巨額 is used specifically for large sums of money.
計はかり知しれない
莫大 describes an enormous quantity or amount (莫大な財産), whereas 計り知れない emphasizes that something is beyond measurement or comprehension, not just large.

些さ細さいN2sense 1
些細 means trifling or minor, the opposite of 莫大, which describes an enormous amount or scale.

漠ばく然ぜんN1sense 1
漠然 shares the kanji 莫/漠 and a similar sound with 莫大 but means 'vague' or 'unclear', not 'huge'.

莫ばく大だいUsage96%
Standard kanji spelling; the most common written form.
ばく大だいUsage3%
search-only kanji form
Search-only kanji form; not normally used in writing.
ばくだいUsage1%

A Sino-Japanese compound inherited from Chinese 莫大, meaning “vast” or “immense.”

甚じん大だい

莫大 emphasizes a huge quantity or sum (莫大な費用), whereas 甚大 emphasizes the severity of damage or influence rather than sheer amount.

莫大 describes an enormous amount, especially of money or effort, whereas 広大 describes vast spatial or conceptual extent.