堅牢(けんろう)

けんろう
na-adjective
robust
formaldescriptive
1. robust
robust; solid; sturdy; strongly built
この城(しろ)は堅牢(けんろう)な造(つく)りだ。
This castle has a solid construction.
堅牢(けんろう)な守備(しゅび)で敵(てき)の攻撃(こうげき)を防(ふせ)いだ。
They blocked the enemy attack with a solid defense.
このシステムは堅牢(けんろう)なセキュリティを備(そな)えている。
This system is equipped with robust security.

堅牢(けんろう) is a na-adjective combining 堅(かた)い (hard, firm) + 牢(ろう) (solid, strong), describing something that is extremely sturdy and resistant to damage or attack.

Forms

  • Attributive: 堅牢(けんろう)な + noun
  • Predicate: 堅牢(けんろう)だ/である
  • Adverbial: 堅牢(けんろう)に

Usage

  • Physical structures: castles, buildings, walls
  • Defenses: military, sports
  • Systems: IT security, infrastructure
  • Abstract: arguments, positions

Register: Formal/written. Common in technical and literary contexts.

Similar words

Related Words

Antonym: 脆弱(ぜいじゃく) (fragile, vulnerable)
Compare: 頑丈(がんじょう) (sturdy, tough)
Compare: 丈夫(じょうぶ) (durable, strong)
Compare: 強固(きょうこ) (firm, solid)
general
Added 2026.1.21 12:55 · Revised 2026.9.2 13:01
07500/07800_kenrou