Infalible (en. Infallible)
/in.faˈli.βle/
Slang Meanings
Something that always works.
That trick is infallible for getting out of trouble.
Ese truco es infalible para salir de problemas.
A definitive certainty.
That recipe is infallible; it always turns out delicious.
Esa receta es infalible, siempre queda deliciosa.