| Main Entry: | infallible |
| Part of Speech: | adjective |
| Definition: | unerring, dependable |
Synonyms: |
acceptable, accurate, agreeable, apodictic, authoritative, certain, correct, effective, effectual, efficacious, efficient, exact, faultless, flawless, foolproof, handy, helpful, impeccable, incontrovertible, inerrable, inerrant, omniscient, perfect, positive, reliable, satisfactory, satisfying, sure, surefire, true, trustworthy, unbeatable, undeceivable, unfailing, unimpeachable, unquestionable, useful |
Antonyms: |
erring, fallible, faulty, imperfect |
| Main Entry: | irrefutable |
| Part of Speech: | adjective |
| Definition: | beyond question |
Synonyms: |
accurate, apodictic, can bet on it, certain, double-checked, evident, final, inarguable, incontestable, incontrovertible, indisputable, indubitable, invincible, ironclad, irrebuttable, irrefragable, irresistible, nof ifs ands or buts, obvious, odds-on, positive, proven, set, sure, unanswerable, unassailable, undeniable, unimpeachable, unquestionable |
Antonyms: |
doubtful, dubious, questionable, refutable, uncertain |