cast-iron

• Describe algo extremadamente fuerte, sólido o irrompible; se usa a menudo de forma metafórica para referirse a garantías, coartadas o constituciones que son inquebrantables o muy seguras.

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.

   extremadamente robusto

   • 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.

   Sinónimosdurableheavy-dutyindestructibleresilientruggedsturdytough

   Antónimosbrittledelicateflimsyfragileweak