強 固(きょうこ)

きょうこ

na-adjective

firm, solid, steadfast

1. firm, solid, steadfast, unyielding

Describes something that is strong and not easily broken, changed, or shaken. Used for both physical structures and abstract concepts like will, resolve, or systems.

強固(きょうこ)な意志(いし)を持(も)つ。

Have a firm will.

両国(りょうこく)の間(あいだ)には強固(きょうこ)な信頼関係(しんらいかんけい)がある。

There is a firm relationship of trust between the two countries.

反対派(はんたいは)の抵抗(ていこう)は予想(よそう)よりも強固(きょうこ)で、改革(かいかく)は難航(なんこう)した。

The opposition's resistance was firmer than expected, and the reform ran into difficulties.

強固(きょうこ) is a na-adjective meaning firm, solid, or unyielding. Used for both physical structures and abstract concepts.

Forms

Modifier: 強固(きょうこ)な＋noun
Adverbial: 強固(きょうこ)に
Predicate: 強固(きょうこ)だ / 強固(きょうこ)である

Common collocations

強固(きょうこ)な意志(いし): firm will
強固(きょうこ)な基盤(きばん): solid foundation
強固(きょうこ)な体制(たいせい): solid system/structure
強固(きょうこ)な信念(しんねん): firm conviction
強固(きょうこ)な守(まも)り: solid defense

Similar words

頑丈(がんじょう): sturdy, robust (physical objects)
堅固(けんご): firm, solid (more literary)
強力(きょうりょく): powerful, strong (emphasizes force)

強固(きょうこ) emphasizes resistance to change or breaking, while 強力(きょうりょく) emphasizes sheer power.

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Formal and written. Common in news, academic writing, and political discourse.

Related Words

Compare: 強硬(きょうこう) (hardline, unyielding (stance))

Synonym: 頑丈(がんじょう) (sturdy, robust (physical))

Compare: 堅固(けんご) (firm, solid)

Compare: 強力(きょうりょく) (powerful, strong)

Compare: 堅牢(けんろう) (robust)

general

Added 2026.2.21 21:00 · Revised 2026.9.2 13:01

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