Adjective

(-)

Not missing the target.

consistently accurate.

* 1717:' Hissing in air the '''unerring weapon flew. -- (John Dryden)'s 1697–1700 translation of "The Story of Meleager and Atalanta", in Ovid's ''Metamorphoses (tr. Garth, Dryden, et al.), book VIII, pub. 1717

* {{quote-book

, year=1960 , author= , title=(Jeeves in the Offing) , section=chapter III , passage=One learns, as one goes through life, to spot goofiness in the other sex with an unerring eye [...]}}

* 2007 , , p. 630-1,

As the assassination of Sadat proved, the Arab irredentists, like the Zionist ultras, have always been unerring in picking off any incipient mediators.

Adjective

(en adjective)

Exact, accurate.

*

(sciences) Of experimental results, consistent, clustered close together, agreeing with each other. This does not mean that they cluster near the true, correct, or accurate value.

* {{quote-magazine, date=2013-06-22, volume=407, issue=8841, page=76, magazine=(The Economist)

, title= Snakes and ladders , passage=Risk is everywhere.