adamantine

• 一个书面或诗歌用语，形容坚不可摧、极其坚硬，或形容人意志坚定、不屈不挠。

An archaic adjective meaning unbreakable, extremely hard, or unyielding; often used in poetic or literary contexts.

1. Extremely hard or unbreakableC2formal

   Having a hardness or strength comparable to that of a diamond or adamant; unyielding in substance.

   坚不可摧

   • The ancient shield was said to be made of an adamantine alloy.
   • Her resolve was as adamantine as the stone itself.
   • The fortress walls were built with adamantine strength.

   同义词hardimpenetrableindestructibleinflexiblerigidsteelyunbendingunbreakableunyielding

   反义词brittleflexiblefriablepliablesoftweakyielding

2. Unyielding or inflexibleC2formal

   Firmly determined and not influenced by pleas, persuasion, or requests; stubbornly resolute.

   坚不可摧

   • He remained adamantine in his refusal to negotiate.
   • Her adamantine stance on the issue surprised everyone.
   • The judge was adamantine, rejecting all appeals for leniency.

   同义词adamantdeterminedfirmimmovableinflexibleresolutesteadfaststubbornunrelentingunyielding

   反义词amenablecompliantflexibleirresolutepersuadabletractableweakyielding