How to say "huge" in Japanese
- i-adjectiveThe casual spoken word for something physically big or enormous; it suits relaxed conversation about objects, people, or animals, and sounds out of place in formal writing.
- 巨大きょだいna-adjective, nounDescribes gigantic physical size — enormous buildings, structures, or creatures. Use it when 'huge' refers to the sheer magnitude of a thing rather than an amount.
- 膨大ぼうだいna-adjectiveCovers 'huge' for quantities and volumes: vast amounts of data, work, time, or money. It is about sheer bulk of amount, not the size of a physical object.
- 莫大ばくだいna-adjectiveMatches 'huge' for immense amounts, especially sums of money — vast costs, losses, or debts. It fits amounts of value rather than the size of physical things.
- 多大ただいna-adjective, no-adjectiveReally means 'great in quantity or amount' — a great deal of effort, influence, or damage — not 'huge' in size. For physical hugeness it is the wrong word; think 'a great deal of'.
Use 「でかい」 casually for big things, 巨大 for gigantic physical size, 膨大 for vast quantities, 莫大 for immense amounts such as money, and 多大 for great amounts or degrees of abstract things rather than size.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
This browser can't play pronunciations (needs Safari 18.4 or later, or Chrome / Edge / Firefox).


