高級|こうきゅうkoukyuu[0]heiban (flat)

1. na-adjective, no-adjectivehigh-class; high-grade; high-quality; high-end; luxury
   高級こうきゅうな品物しなものを買かう事ことは、結局けっきょくは損そんにならない。↗

   It pays in the long run to buy goods of high quality.
2. no-adjectivehigh-ranking; high-level; senior
   彼かれの祖父そふは高級こうきゅう軍人ぐんじんだった。↗

   His grandfather was a soldier of high degree.

• Synonym極上ごくじょうNeutralMeans the very finest, top grade, as in 「極上の味」; 「高級」 covers high class and high end, focusing on grade and price.
• Synonym良質りょうしつNeutralRefers simply to good quality; 「高級」 stresses high class and a high price range.
• Synonym高品質こうひんしつNeutralSays a product's quality is high, mostly in commercial contexts; 「高級」 stresses class or grade.
• Synonym上質じょうしつNeutralRefers to fine material or texture, as in 「上質な紙」; 「高級」 stresses class or grade.
• Synonym高等こうとうNeutralMeans high in degree or rank, as in 「高等教育」; 「高級」 stresses grade and class.
• SynonymハイクオリティNeutralLoanword for high quality, common in advertising; in everyday speech say 「高品質」.
• SynonymハイグレードNeutralLoanword for high grade, mostly in product names; in everyday speech say 「高級」.
• Related優秀ゆうしゅうNeutralMostly rates people's ability or performance as excellent; 「高級」 means high class or level, as in 「高級品」 and 「高級官僚」.
• Related上等じょうとうNeutralMeans good quality and high grade but sounds a bit old-fashioned; 「高級」 is more common.
• Related秀逸しゅういつWrittenWritten style, praising works as outstanding; 「高級」 rates class or grade.
• Related立派りっぱNeutralMeans splendid, imposing or respectable; 「高級」 stresses class and price range.
• Related優良ゆうりょうNeutralMeans sound quality or performance, as in 「優良企業」; 「高級」 stresses class and high price.
• Related抜群ばつぐんNeutralMeans standing far above the crowd; 「高級」 just means high class.
• Related最高さいこうNeutralMeans the highest or the best; 「高級」 just means high class.
• Related高価こうかNeutralRefers to a high price; 「高級」 stresses class and is not necessarily the most expensive.
• Related至上しじょうWrittenWritten style for supreme, as in 「顧客至上」; 「高級」 only means high class or rank, not the very highest.
• Related格別かくべつNeutralMeans exceptionally good, as in 「格別の味」; 「高級」 stresses class or grade.
• Related卓越たくえつWrittenWritten style for far surpassing others; 「高級」 means high class or level but does not imply outshining the rest.
• RelatedとびきりNeutralColloquial for exceptionally good or top-notch, as in 「とびきりの笑顔」.
• Related無上むじょうWrittenWritten style for supreme, second to none; 「高級」 just means high class.
• Related精良せいりょうWrittenWritten style for finely made equipment or products; 「高級」 stresses class or grade.
• Related優等ゆうとうNeutralRefers to excellent grades, as in 「優等生」; 「高級」 means high class or level and is not used for grades.
• RelatedハイクラスNeutralLoanword for high class or upper tier, also for top-tier professionals as in 「ハイクラス転職」; that use cannot be replaced with 「高級」.
• Related佳良かりょうWrittenRare written word for good or favorable; in daily speech say 「良好」.
• Antonym安物やすものNeutralThe opposite of 「高級」 in class terms, meaning cheap, shoddy goods.
• Antonym低級ていきゅうNeutralThe direct opposite of 「高級」 in class terms, meaning low-grade or vulgar.

Use 「高級」 for things that are high-class, high-end or senior in grade or rank. For good quality say 「上質」 or 「良質」; for the very finest say 「極上」; for a high price say 「高価」; for exceptionally good say 「格別」. Loanwords like 「ハイクラス」 appear in ads and product names, and 「ハイクラス転職」 cannot take 「高級」. The opposites are 「低級」 and 「安物」.

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

1. 階級かいきゅうや品質ひんしつ、程度ていどなどが高たかいこと。
2. 有機ゆうき化合物かごうぶつの炭素たんそ数すうが多おおいこと。