Translation guide
The English word 'identical' is used to say that two or more things are exactly the same in every detail. In Japanese, the most common way to express this is with 同じ (onaji), which means 'same'. For stronger emphasis on being exactly alike, you can use 全く同じ (mattaku onaji) or 同一 (dōitsu). This guide covers natural ways to express 'identical' in different contexts.
To say that two or more things are completely identical, with no differences.
The most common and versatile word for 'same' or 'identical'. It can be used in almost any context, from casual to formal.
These two pictures look identical.
He has an identical face to his father.
Emphasizes that something is completely identical, with no difference at all. More emphatic than 同じ alone.
The twins were wearing identical clothes.
This copy is identical to the original.
A more formal word meaning 'identical' or 'the very same'. Often used in technical, legal, or written contexts.
The two samples showed identical results.
This is a crime committed by the identical person.
Means 'exactly alike' or 'spitting image'. Often used for appearance, especially when people or things look identical.
Those brothers are identical, aren't they?
This fake is identical to the real thing.
An idiomatic expression meaning 'as alike as two peas in a pod', literally 'two halves of a melon'. Used for people who look identical.
She and her sister are identical.
To say that two statements, ideas, or pieces of information are essentially the same.
同じ is the general word for 'same' and can be used in most situations. 同一 is more formal and emphasizes exact identity, often used in official or technical contexts. そっくり is used for appearance and implies a striking resemblance, often in casual speech.
Born on the identical day.
Please submit the identical document.
He is identical to his father.
The English word 'identical' is often translated as 同一 (dōitsu) in dictionaries, but in everyday conversation, 同じ (onaji) or 全く同じ (mattaku onaji) is much more natural. Using 同一 in casual speech can sound overly formal or stiff.
These two terms are identical in meaning.