Translation guide
The superlative form of 'big', used to describe the largest in size, scale, importance, or degree. In Japanese, superlatives are often expressed with 一番 (ichiban) or by context, rather than a single adjective form.
Describing something as the largest in physical dimensions or scale.
The most common way to say 'biggest' in Japanese. 一番 means 'number one' or 'most', and 大きい means 'big'. This is a natural, everyday expression.
これは世界で一番大きい犬です。
This is the biggest dog in the world.
A more formal or technical term meaning 'maximum' or 'largest'. Often used in written language, news, or specifications.
この建物は日本最大です。
This building is the biggest in Japan.
A more literary or formal way to say 'biggest'. 最も means 'most'. Less common in casual speech.
これは最も大きい問題です。
This is the biggest problem.
Referring to the most important event, issue, or factor.
While 大きい primarily means 'big' in size, it can also mean 'big' in importance. This is a natural way to express 'biggest' in terms of significance.
今、一番大きい問題はお金です。
Right now, the biggest problem is money.
Used as a pre-noun modifier meaning 'the biggest' or 'the greatest' in importance or scale. Common in news and formal contexts.
これは最大のチャンスです。
This is the biggest chance.
Literally 'most important'. Use this when 'biggest' specifically means 'most important' and you want to be precise.
これが最も重要な点です。
This is the biggest point.
Describing the highest level of something non-physical, like influence, impact, or emotion.
Again, 一番大きい can cover many abstract 'biggest' concepts. It's versatile and safe for most situations.
彼の一番大きい影響は音楽です。
His biggest influence is music.
Works for abstract concepts as well, especially in formal writing.
最大の課題は時間です。
The biggest challenge is time.
Picking out the biggest item from a set.
Adding の turns the phrase into a noun meaning 'the biggest one'. Very common in conversation.
この中で一番大きいのはどれですか？
Which one is the biggest among these?
A more formal way to say 'the biggest one'. もの means 'thing'.
最大のものを選んでください。
Please choose the biggest one.
一番 (ichiban) is casual and common in speech. 最も (mottomo) is more formal and often used in writing. For everyday 'biggest', stick with 一番大きい.
一番大きい都市は東京です。
The biggest city is Tokyo. (casual)
最も大きい都市は東京です。
The biggest city is Tokyo. (formal)
There is no direct adjective 'biggest' in Japanese. Avoid literal translations like ビッグテスト (biggutesuto). Always use 一番大きい or similar constructions.
一番大きい動物は何ですか？
What's the biggest animal?
あれは一番大きい間違いでした。
That was the biggest mistake.