Synonyms of unerringly

1 Syllable
straight, sic
2 Syllables
really, direct, plainly, strictly, simply, rightly, truly
3 Syllables
exactly, correctly, surely, directly, faithfully, actually, verbatim
4 Syllables
veritably, rigorously, unshakably, completely, infallibly, precisely, literally, unfailingly, literatim
5 Syllables
indisputably, undisputably, undeviatingly, unmistakably, irrefutably