From Bulbapedia, the community-driven Pokémon encyclopedia.
These are Abilities that, when the Pokémon with this Ability uses a move, ignore all ignorable Abilities for the execution of that move.
Neutralizing Gas, which instead suppresses almost all Abilities as long as it is active, has a similar but distinct effect, so is not included here.
Pages in category "Abilities that ignore other Abilities"
The following 3 pages are in this category, out of 3 total.