Translation guide
The concept of something being uncommon, scarce, or exceptional. Japanese expresses this through nouns, adjectives, and set phrases depending on whether you're talking about a rare object, a rare event, or the abstract quality of rareness.
Expressing the abstract concept of rarity, the state of being rare.
The most direct and common noun for 'rarity' as a quality. Derived from the adjective 珍しい (rare).
この切手の珍しさは計り知れない。
The rarity of this stamp is immeasurable.
A more formal or technical term for rarity, often used in economics, collecting, or when emphasizing scarcity.
この鉱物は希少性が高い。
This mineral has high rarity.
A loanword from English 'rare' plus 度 (degree), used in gaming or collecting contexts to indicate rarity levels.
このカードのレア度は最高だ。
This card's rarity is the highest.
Referring to something that is rare, a rarity.
Literally 'a rare thing'. The most natural way to say 'a rarity' in everyday speech.
彼の訪問は珍しいものだ。
His visit is a rarity.
A rare or unusual item, often used for collectibles, antiques, or curios.
この店には珍品がたくさんある。
This shop has many rarities.
A scarce or rare item, emphasizing limited availability. Common in commerce.
このワインは希少品だ。
This wine is a rarity.
Casual term for something rare, often used by collectors or in pop culture.
このフィギュアはレアものだよ。
This figure is a rarity, you know.
Expressing 'rarity' in set phrases or idiomatic expressions.
Literally 'a rare thing/event'. Used to comment on the unusualness of a situation.
彼が遅刻するなんて珍しいことだ。
It's a rarity for him to be late.
Means 'rarely happens' or 'is a rarity'. Used with verbs or nouns to describe infrequency.
こんな機会は滅多にない。
An opportunity like this is a rarity.
A more literary way to say 'a rare thing'. 稀 (まれ) means rare or uncommon.
彼の才能は稀なことだ。
His talent is a rarity.
珍しさ is the general, everyday word for rarity as a quality. 希少性 is more formal and emphasizes scarcity, often used in economic or technical contexts.
レア度 is mainly used in gaming or collecting communities. Using it in general conversation may sound odd or overly geeky.