cast-iron

• Описывает что-то чрезвычайно прочное, надёжное или нерушимое, часто используется метафорически для гарантий, алиби или конституций.

Describes something that is extremely strong, reliable, or unbreakable, often used metaphorically for guarantees, alibis, or constitutions.

1. Extremely robustB2informal

   Exceptionally strong, durable, and resistant to damage or failure.

   Несокрушимый

   • He has a cast-iron stomach and can eat anything without getting sick.
   • The company has a cast-iron reputation for reliability.
   • She gave a cast-iron guarantee that the project would be finished on time.

   Synonymsdurableheavy-dutyindestructibleresilientruggedsturdytough

   Antonymsbrittledelicateflimsyfragileweak