Definition of "infallible" in Englisch

noun

1. A person who, or an object or process that, is taken as being infallible.

adjective

1. Without fault or weakness; incapable of error or fallacy.

   • He knows about many things, but even he is not infallible.

2. Certain to produce the intended effect; sure.

   • Try this infallible cure for hiccups.