Translation guide
Describes something of superior quality, purity, or excellence. In Japanese, the most common equivalent is 高級 (こうきゅう), but other words are used depending on whether you're talking about products, materials, skills, or abstract qualities.
Describing expensive, premium, or top-tier items like cars, watches, restaurants, or clothing.
The most common and versatile word for 'high-grade' when referring to products, services, or establishments. Implies both high quality and high price.
これは高級な腕時計です。
This is a high-grade wristwatch.
高級レストランで食事をした。
We dined at a high-grade restaurant.
Emphasizes superior quality of materials or craftsmanship, often used for fabrics, paper, or ingredients. Less about price, more about inherent quality.
このスーツは上質な生地を使っている。
This suit uses high-grade fabric.
Literally 'high quality'. Often used in technical or commercial contexts to describe products that meet high standards.
当社は高品質な製品を提供します。
Our company provides high-grade products.
Referring to the purity or grade of substances like metals, chemicals, or fuels.
Specifically means 'high purity'. Used for chemicals, metals, or other refined materials.
この実験には高純度のアルコールが必要だ。
This experiment requires high-grade alcohol.
Means 'high grade' in the sense of quality or refinement, often used for ores, minerals, or industrial materials.
この鉱山では高品位の鉄鉱石が採れる。
This mine yields high-grade iron ore.
Describing a high level of ability, such as in sports, arts, or professional work.
Means 'advanced' or 'high-level'. Used for skills, techniques, or technology.
彼は高度なプログラミング技術を持っている。
He has high-grade programming skills.
Referring to a high position in a hierarchy, such as military rank or corporate title.
Means 'high rank' or 'high position'. Used for official ranks, nobility, or organizational hierarchy.
彼は軍隊で高位の将校だ。
He is a high-grade officer in the military.
Means 'upper level' or 'advanced'. Often used for classes, courses, or ranks.
高級 (こうきゅう) implies luxury and high price, while 上質 (じょうしつ) focuses on the inherent quality of the material or craftsmanship. A 高級 bag is expensive and branded; a 上質 bag is made of excellent leather regardless of brand.
高級バッグを買った。
I bought a high-grade (luxury) bag.
上質な革のバッグを買った。
I bought a bag made of high-grade leather.
高級 is not used for skills or abilities. Use 高度 (こうど) or 高水準 (こうすいじゅん) instead. Saying 高級な技術 sounds unnatural.
高度な技術
high-grade skill
Literally 'high standard'. Used for performance, living standards, or academic achievement.
この学校は高水準の教育を提供している。
This school provides high-grade education.
上級管理職に昇進した。
I was promoted to a high-grade management position.