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infallible

in·fal·li·ble

infallible

 
 
pronunciation:
In fae lih bl
features:
Word Combinations (adjective), Word Parts
part of speech: adjective
definition 1: incapable of error.
The computer's calculation is considered infallible.You are wrong if you think you're infallible; you're bound to make a mistake one day that you'll seriously regret.
antonyms:
fallible
definition 2: not liable to error or failure; extremely reliable.
I will rely on your infallible judgment.The book is an infallible guide to travel in Italy.
antonyms:
fallible
similar words:
unerring
definition 3: of the pope, incapable of fallacy or error in expounding Roman Catholic doctrine on faith or morals.
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derivations: infallibly (adv.), infallibility (n.)
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