/ʌnˈɜr ɪŋ, -ˈɛr-/
; not going astray or missing the mark:
The captain set an unerring course for home.
undeviatingly accurate throughout; not containing any error or flaw:
She gave an unerring recital of the day's events.
invariably precise or correct:
not missing the mark or target
consistently accurate; certain
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
But few have the unerring naturalness of phrasing that allows them to embody the music rather than interpret it.
He has an unerring ear and an unbeatable sense of humor.
Do thou thyself entreat him, that he may give thee unerring answer.
When new taxes are to be raised the eye of the rural legislator turns with unerring instinct to this rich city.
No single risk factor or combination of factors can predict violence with unerring accuracy.
The result is an unerring melodrama that grips us with intense power.
Again his instinct for the fated failure was unerring.
It takes unlimited patience, unerring precision, and an uncommon willingness to walk directly into danger.
The commencement of the nineteenth century, determined upon unerring principles.