faithful

noun

(in the plural) The practicing members of a religion or followers of a cause.

Someone or something that is faithful or reliable.

adjective

Loyal; adhering firmly to person or cause.

Having faith.

Reliable; worthy of trust.

Consistent with reality.

Engaging in sexual relations only with one's spouse or long-term sexual partner.

(mathematics) Injective in specific contexts, e.g. of representations in representation or functors in category theory.

(ring theory) Of a module, whose annihilator is zero.

Roots

fidesfaith- · Latin · faith, trust

Synonyms for faithful

loyaladj devoutadj steadfastadj trustyn staunchadj unswervingadj trustworthyadj devotedadj dependableadj sincereadj dutifuladj unwaveringadj ferventadj duteousadj truthfuladj prayerfuladj piousadj trustedadj

Synonyms & related words for faithful

Find synonyms, related words, and the definition of faithful — including loyal, devout, steadfast, trusty, staunch, unswerving. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to faithful

Explore words related to faithful — words associated with it, words that go with it, and its nearest matches in meaning. Related words include truehearted, faithfulness, faithfully, leal, indevout, loyally, congregation, allegiance. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for faithful

Common synonyms for faithful include loyal, devout, steadfast, trusty, staunch, unswerving, trustworthy, devoted — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does faithful come from?

The word faithful breaks down into one root of Latin origin: the root faith-, from Latin fides (“faith, trust”). Explore each root to see other English words built from the same source.