Translation guide
The English word 'authentic' can describe things that are genuine, original, or true to tradition. In Japanese, the best translation depends on whether you mean 'real vs. fake', 'traditional/classic', 'reliable', or 'true to oneself'. This guide helps you choose the right expression.
Describing objects, documents, or products that are real, not imitation.
The most common word for 'genuine article' or 'real thing'. Used for physical objects, art, brand goods, etc.
これは本物のダイヤモンドですか？
Is this an authentic diamond?
彼のサインは本物だ。
His signature is authentic.
Formal term often used in official contexts, like 'authentic document' or 'genuine product'. Common in legal or technical settings.
真正な書類が必要です。
We need authentic documents.
Emphatic phrase meaning 'genuine through and through' or 'the real McCoy'. Used for emphasis, often in advertising or storytelling.
これは正真正銘の江戸時代の刀だ。
This is an authentic Edo-period sword.
Describing food, culture, or experiences that are faithful to the original or traditional way.
Means 'authentic' in the sense of being done properly, in full scale, or true to the original style. Very common for food, art, and cultural activities.
この店は本格的なイタリア料理を出す。
This restaurant serves authentic Italian cuisine.
本格的な茶道を体験したい。
I want to experience an authentic tea ceremony.
Means 'orthodox' or 'legitimate', often used for schools of thought, traditions, or methods that are considered the authentic lineage.
Describing news, data, or accounts that are credible and accurate.
Means 'reliable' or 'trustworthy'. Used for sources, information, or people. Not a direct translation of 'authentic', but often the natural choice.
信頼できる情報源から聞いた。
I heard it from an authentic source.
Means 'certain' or 'reliable'. Often used for information or evidence.
確かな証拠がない。
There is no authentic evidence.
Describing a person or their behavior as genuine, not pretending.
Means 'without falsehood', 'sincere'. Used for feelings, smiles, or character.
彼女の笑顔は偽りがなかった。
Her smile was authentic.
Means 'unadorned', 'natural', 'real self'. Often used in phrases like 素の自分 (one's authentic self).
素の自分を出せる友達がほしい。
I want friends with whom I can be my authentic self.
本物 (honmono) means 'genuine article' and is used for physical objects. 本格的 (honkakuteki) means 'authentic in style/method' and is used for experiences, food, or activities. Saying 本物のイタリア料理 is possible but less common than 本格的なイタリア料理, which emphasizes the proper method.
このバッグは本物のブランド品だ。
This bag is an authentic brand item.
本格的なフランス料理を習いたい。
I want to learn authentic French cooking.
The loanword オーセンティック is understood but can sound pretentious or marketing-speak. Stick to 本格的 or 本物 unless you're aiming for a specific trendy nuance.
これは本物のピカソですか？
Is this an authentic Picasso?
当店は本格的な日本ラーメンを提供しています。
We serve authentic Japanese ramen.
彼女は偽りのない演技をした。
She gave an authentic performance.
彼は正統な空手の継承者だ。
He is an authentic heir of karate.
Loanword from English, used in fashion, music, or branding to sound trendy. Not as common as 本格的.
このバーはオーセンティックな雰囲気だ。
This bar has an authentic atmosphere.
Means 'as it is', 'unvarnished'. Often used for expressing oneself honestly.
ありのままの自分を受け入れる。
Accept your authentic self.