unfailing unfailed • unfailingly · · · Info · Synonyms · Characters · · unfailing · · Text Latin · · Script 9 · · Length Synonyms · · · foolproof · · Synonym 1 unflagging · · Synonym 2 Characters · · a latin small letter a U+0061 f latin small letter f U+0066 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E u latin small letter u U+0075