faithful
/ˈfeɪθ.fl̩/ adjective, noun
Forms faithfuls faithfull
- adjective Loyal; adhering firmly to person or cause. “My dog is very faithful: he doesn't like to be petted by anybody else.”
- adjective Having faith.
- adjective Reliable; worthy of trust. “My servant is very faithful.”
- adjective Consistent with reality. “I would consider that a very faithful reproduction.”
- adjective Engaging in sexual relations only with one's spouse or long-term sexual partner. “They had been faithful to each other all of their married life.”
- adjective (mathematics) Injective in specific contexts, e.g. of representations in representation or functors in category theory.
- adjective (ring theory) Of a module, whose annihilator is zero.
- noun (plural noun) The practicing members of a religion or followers of a cause. “The faithful pray five times a day.”
- noun Someone or something that is faithful or reliable.
Synonyms
Antonyms
Etymology
From Middle English feithful, equivalent to faith + -ful.
Webster’s 1913
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “faithful”, CC BY-SA 4.0. Details