Translation guide
Describes something extremely large in size, scale, or impact. Japanese uses different words depending on whether you mean physical size, scale of a project, or figurative enormity.
To describe something of enormous physical dimensions, like a statue, building, or natural feature.
The most common and neutral word for 'colossal' in the sense of physical size. Used for objects, structures, and living things.
その巨大な像は遠くからでも見えた。
The colossal statue was visible from far away.
Emphasizes an even larger scale, like 'super-colossal'. Often used in casual or emphatic contexts.
あの超巨大なビルは街のシンボルだ。
That super-colossal building is the symbol of the city.
Casual, colloquial word for 'huge' or 'colossal'. Very common in spoken Japanese.
あの犬、でかいな！
That dog is colossal!
Slangy, emphatic version of 'でかい', implying absurdly large. Use with caution.
ばかでかいハンバーガーを食べた。
I ate a ridiculously colossal hamburger.
To describe something like a colossal undertaking, colossal failure, or colossal sum of money.
Implies grand scale and magnificence, often used for plans, projects, or visions.
彼は壮大な計画を発表した。
He announced a colossal plan.
Used for colossal amounts of money, data, or resources. Emphasizes vast quantity.
そのプロジェクトには莫大な費用がかかった。
The project incurred a colossal expense.
To describe something abstract that is extremely large in a non-physical sense, like a colossal mistake or colossal ego.
Simple and natural for 'big' mistakes or egos. Often combined with intensifiers like 非常に or 極めて for 'colossal'.
それは非常に大きな間違いだった。
That was a colossal mistake.
Formal word for 'enormous' or 'colossal', often used for damage, impact, or influence.
その事故は甚大な被害をもたらした。
The accident caused colossal damage.
Expresses that something is outrageous or unthinkably large/bad. Common in spoken Japanese.
There is no single Japanese word that covers all uses of 'colossal'. Choose based on context: physical size (巨大な), scale (壮大な, 莫大な), or figurative enormity (大きな with intensifier, 甚大な). Using 巨大な for a 'colossal mistake' sounds unnatural.
巨大な間違い
colossal mistake (unnatural)
Expresses that something is beyond ordinary scale, often with a sense of amazement. Can be used for size, amount, or degree.
とてつもない量のデータを処理した。
We processed a colossal amount of data.
He has a colossal ego.