unerring

UK: /ˌʌnˈɜːrɪŋ/ US: /ʌnˈɜrɪŋ, -ˈɛr-/ ,(un ûr′ing, -er′-)

WordReference Random House Learner's Dictionary of American English © 2025

un•err•ing /ʌnˈɜrɪŋ, -ˈɛr-/   adj. 

1. not going astray or missing the mark:
   unerring aim.
2. always right or apt;
   infallible:
   unerring good taste.

un•err•ing•ly, adv. 

WordReference Random House Unabridged Dictionary of American English © 2025

un•err•ing  (un ûr′ing, -er′-), adj. 

1. not erring;
   not going astray or missing the mark:
   The captain set an unerring course for home.
2. undeviatingly accurate throughout;
   not containing any error or flaw:
   She gave an unerring recital of the day's events.
3. invariably precise or correct:
   unerring taste.

• un-¹ + erring 1615–25

un•err′ing•ly, adv. 
un•err′ing•ness, n. 

Collins Concise English Dictionary © HarperCollins Publishers::

unerring / ʌnˈɜːrɪŋ/ adjective

1. not missing the mark or target
2. consistently accurate; certain

unˈerringness noun