infallible

English Thesaurus

1. incapable of failure or error (adj.all)

similar	:	foolproof, unfailing,
definition	:	not liable to failure (adj.all)

similar	:	inerrable, inerrant, unerring,
definition	:	not liable to error (adj.all)

antonym	:	fallible,
definition	:	likely to fail or make errors (adj.all)

derivation	:	infallibility,
definition	:	the quality of never making an error (noun.attribute)

antonym	:	fallible,
definition	:	likely to fail or make errors (adj.all)

derivation	:	infallibility,
definition	:	the quality of never making an error (noun.attribute)