Synonyms of double-checked

1 Syllable
sure, true, real
2 Syllables
certain, odds-on, actual
3 Syllables
unfabled, undoubted, evident
4 Syllables
absolute, accurate, undeniable, veridical, positive
5 Syllables
irrebuttable, unanswerable, indubitable, incontestable, indisputable, irrefutable, unassailable, unquestionable
6 Syllables
incontrovertible