noun which may take the genitive case particle 'no', na-adjective
identical; same; one and the same
Used for things that are exactly the same in identity, content, or value. Often appears in formal or technical contexts.
These two documents have identical content.
犯人は同一人物とみられる。
The culprit is believed to be the same person.
noun which may take the genitive case particle 'no', na-adjective
equal; fair; without discrimination
Used for equal treatment or conditions, often in legal, business, or policy contexts. Implies no unfair distinction.
すべての社員に同一の基準を適用する。
Apply the same standards to all employees.
同一労働同一賃金が原則だ。
Equal pay for equal work is the principle.
This fingerprint is identical to the culprit's.
The company should treat full-time and part-time workers equally.
Everyone must submit the same document.
identity; sameness
equating; identifying; regarding as the same