真正|しんせいshinsei[0]heiban (flat)

1. na-adjective, no-adjectivegenuine; authentic; true; pure

• Synonym本当ほんとうNeutralThe everyday word for 'true/real'; stresses that something is fact, not false, as in 「本当の話」. Far more colloquial than 「真正」.
• Synonym本格的ほんかくてきWrittenWritten register. Means done the proper, authentic way and on a full scale, as in 「本格的な料理」; it stresses following the real method rather than truth versus falsehood.
• Synonym真実しんじつWrittenWritten register. Points to the truth or facts of a matter, as in 「真実を知る」, rather than describing things as genuine.
• Synonym真しんWrittenWritten register. 'Truth' in an abstract or logical sense; mostly appears in compounds rather than standing alone.
• Synonym純正じゅんせいWrittenWritten register. Covers genuine manufacturer parts, as opposed to non-original ones, and purely theoretical study; it stresses purity and proper origin.
• Synonym真のしんのWrittenWritten register. Used only before nouns, as in 「真の友」; a formal way to say 'true' attributively.
• Synonym正真正銘しょうしんしょうめいWrittenWritten register. Emphatic: declares something absolutely genuine, with no doubt at all; stronger in tone than 「真正」.
• Related誠実せいじつWrittenWritten register. Describes a person's character—sincere and honest, not lying; about people, not the authenticity of things.
• Related純粋じゅんすいNeutralNeutral. Means pure—unmixed or pure-hearted; 「真正」 stresses being genuine rather than fake.
• Related真成しんせいWrittenWritten and rare. Means true and free of pretence; in daily speech 「本物」 or 「本当」 is used instead.
• Antonym虚偽きょぎWrittenWritten register. Falsehood or untruth; the direct opposite of the genuineness 「真正」 expresses.

Use 「真正」 in written or formal prose for what is genuine and free of falsehood, as in 「真正の文書」 or 「真正の平和」. In everyday speech say 「本当」 (or 「本物」) instead. For emphatic, absolute genuineness choose 「正真正銘」. For truth as fact use 「真実」, for a person's sincerity 「誠実」, for purity 「純粋」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 真実しんじつで正ただしいこと。
2. 偽いつわりでなく、本物ほんものであること。