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Definitions

faithful

[feyth-fuhl] / ˈfeɪθ fəl /
ADJECTIVE
loyal, reliable
Synonyms
STRONGEST
affectionate ardent conscientious dependable devoted dutiful hard-core honest honorable loving obedient patriotic resolute scrupulous sincere staunch steadfast true trustworthy trusty truthful upright
STRONG
constant fast firm steady straight
WEAK
allegiant attached behind one circumspect confiding dyed-in-the-wool enduring genuine incorruptible on the level string along with sure tried tried-and-true true-blue unchanging unswerving unwavering veracious
Antonyms
STRONGEST
careless cold cool corrupt dishonest disliking disloyal disobedient faithless false fraudulent irresolute irresponsible lying negligent undependable unfaithful unreliable unscrupulous untrustworthy untruthful weak
STRONG
changeable flexible loose unfixed unstable unsteady wavering
WEAK
different inaccurate inconstant inexact treacherous uncertain untrue
ADJECTIVE
authentic, accurate
Synonyms
STRONGEST
credible exact lifelike precise strict true trusty
STRONG
close right
WEAK
just similar undistorted veracious veridical
Antonyms
STRONGEST
careless false imprecise inaccurate indefinite inexact untrustworthy
WEAK
different dishonest disloyal inconstant treacherous uncertain unfaithful unreliable untrue

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.

But whether it is canals, railroads, or fiberoptic cables, investment in physical infrastructure around new technology tends to be remarkably faithful to long-run trends.

From Barron's • Apr. 3, 2026

He also appeared in the 2025 series of The Celebrity Traitors - but was the first faithful to be banished at the roundtable.

From BBC • Mar. 25, 2026

The tragedy is that he didn’t always remain faithful to that calling.

From The Wall Street Journal • Mar. 22, 2026

Carrie Prejean Boller, a former beauty queen and faithful Trump supporter, has found herself at the center of an explosive conservative fight.

From Slate • Mar. 13, 2026

After the armistice of Neerlandia, while Colonel Aureliano Buendía took refuge with his little gold fishes, he kept in touch with the rebel officers who had been faithful to him until the defeat.

From "One Hundred Years of Solitude" by Gabriel Garcia Marquez