infallible

[in-fal-uh-buhl] / ɪnˈfæl ə bəl /

ADJECTIVE

unerring, dependable

Synonyms

STRONGEST

authoritative flawless foolproof unbeatable

WEAK

acceptable accurate agreeable apodictic certain correct effective effectual efficacious efficient exact faultless handy helpful impeccable incontrovertible inerrable inerrant omniscient perfect positive reliable satisfactory satisfying sure surefire true trustworthy undeceivable unfailing unimpeachable unquestionable useful

Antonyms

WEAK

erring fallible faulty imperfect

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

To be sure, the “lipstick index” was never infallible, or even very popular, as far as economic theories go.

From MarketWatch

Why did a church with an infallible papal teacher need councils?

From The Wall Street Journal

But it is a reminder that just like AI, traditional rules of thumb for investing aren’t infallible.

From Barron's

“Welcome to Swanburne, Incorrigible children! I am Miss Mortimer, and you have just met my little lap cat, Shantaloo. She is infallibly shrewd. See how she already thinks of you as friends?”

From Literature

“It has to be thought of as infallible.”

From Salon

infallible

Example Sentences

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