airtight

• Describe algo que está sellado de manera que el aire no puede entrar ni salir; también se usa en sentido figurado para referirse a algo que no se puede refutar o poner en duda.

Describes something that is sealed so that no air can enter or escape; also used figuratively to mean impossible to dispute or question.

1. Sealed against airB1formal

   Not allowing air or gas to pass in or out.

   Hermético al aire

   • The container is airtight to keep the food fresh.
   • Airtight seals are essential for vacuum packaging.
   • The laboratory uses airtight chambers for experiments.

   Sinónimosgas-tighthermeticimpermeableleakproofsealed

   Antónimosleakypermeableporousventilated

2. Flawless or unassailableB2informal

   Having no weak points; impossible to disprove or argue against.

   irrefutable, sin puntos débiles

   • The lawyer presented an airtight case to the jury.
   • Her argument was so airtight that no one could challenge it.
   • He has an airtight alibi for the night of the crime.

   Sinónimosimpregnableincontrovertibleindisputableinvulnerableirrefutablesoundunassailablewatertight

   Antónimosassailableflawedpenetrablequestionablerefutablevulnerable