Synonyms of unerring

1 Syllable
truest, sure, truer, true, just
2 Syllables
certain, faultless, foolproof, bullseye, exact, dead-on, perfect, washer, fleckless
3 Syllables
reliable, inerrant, deadcenter, watertight, dead-center, trustworthy, unfailing, errorless, sure-enough, literal, unfaked
4 Syllables
invariable, accurate, impeccable, inerrable, infallible, inarguable, undisputed, undeviating, veridical, unchallenged, uncontested
5 Syllables
undisputable, ultraprecise, incontestable, establishable, unassailable
6 Syllables
unexaggerated