Answer: unerring

AnswerCrossword Clue
UNERRINGRight on the mark
UNERRINGPerfect
UNERRINGFaultless
UNERRINGPrecise
UNERRINGInfallible.
UNERRINGExact.
UNERRINGStraight to the mark
UNERRINGDead accurate
UNERRINGInfallible
unerringnot erring; not going astray or missing the mark
unerringnot erring
unerringundeviatingly accurate throughout; not containing any error or flaw
unerringinvariably precise or correct