invalidate

• Verbe désignant l'action de rendre quelque chose invalide, nul ou sans effet, souvent dans un contexte juridique, technique ou logique.

A verb used to indicate the act of making something invalid, null, or void, often in a legal, technical, or logical context.

1. Make legally voidB2formal

   To make something officially null or no longer legally valid.

   Rendre juridiquement nul

   • The court invalidated the contract due to fraud.
   • A missing signature can invalidate the entire document.
   • The new law invalidates all previous agreements.

   Synonymesabrogateannulcancelnullifyquashrepealrescindrevokevoid

   Antonymesconfirmratifyvalidate

2. Disprove or refuteC1formal

   To prove that an argument, theory, or statement is false or incorrect.

   Réfuter

   • The new evidence invalidates the earlier hypothesis.
   • His experiment invalidated the widely accepted theory.
   • The data invalidates the claim that the drug is safe.

   Synonymesconfutecontradictdebunkdiscreditdisprovenegateoverturnquashrebutrefute

   Antonymesbackconfirmcorroborateprovesubstantiatesupportupholdvalidateverify