FAQs About the word unfailing

infaillible

not liable to failure, always able to supply more, unceasingNot failing; not liable to fail; inexhaustible; certain; sure.

impeccable,Infaillible,parfait,fiable,infaillible,fiable,impeccable,Impeccable,certain,Sans erreur

défectueux,faillible,défectueux,imparfait,imparfait,peu fiable,peu fiable

unfailable => infaillible, unfading => immortel, unfaceted => non facetté, unextricable => inextricable, unextinguishable => inextinguible,