1. To declare invalid; SYN. annul, quash, void, avoid, nullify.
2. To show to be invalid; SYN. nullify.
3. To take away the legal force of or render ineffective; SYN. void, vitiate.
1. Ruiner. Infirmer une version précédente.
2. (Droit) Annuler. Infirmer un jugement.