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Synonyms

faithful

American  
[feyth-fuhl] / ˈfeɪθ fəl /

adjective

  1. true to one's word, promises, vows, etc.

  2. steady in allegiance or affection; loyal; constant.

    faithful friends.
    Synonyms:
    staunch, devoted, true

  3. reliable, trusted, or believed.

  4. strict or thorough in the performance of duty.

    a faithful worker.

  5. adhering or true to fact, a standard, or an original; accurate.

    a faithful account;

    a faithful copy.
    Synonyms:
    exact, precise

  6. Obsolete. full of faith; believing.

noun

  1. the faithful,

    1. the believers, especially members of a Christian church or adherents of Islam.

    2. the body of loyal members of any party or group.

faithful British  
/ ˈfeɪθfʊl /

adjective

  1. having faith; remaining true, constant, or loyal

  2. maintaining sexual loyalty to one's lover or spouse

  3. consistently reliable

    a faithful worker

  4. reliable or truthful

    a faithful source

  5. accurate in detail

    a faithful translation
"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

    1. the believers in and loyal adherents of a religious faith, esp Christianity

    2. any group of loyal and steadfast followers

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

Faithful, constant, loyal imply qualities of stability, dependability, and devotion. Faithful implies long-continued and steadfast fidelity to whatever one is bound to by a pledge, duty, or obligation: a faithful friend. Constant suggests firmness and steadfastness in attachment: a constant affection. Loyal implies unswerving allegiance to a person, organization, cause, or idea: loyal to one's associates, one's country.

Other Word Forms

  • faithfully adverb
  • faithfulness noun
  • overfaithful adjective
  • pseudofaithful adjective
  • quasi-faithful adjective

Etymology

Origin of faithful

First recorded in 1375–1425; faith, -ful

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.

Real life is less faithful to that neat story line, according to Tyler Goodspeed, a Harvard and Cambridge-trained economic historian and the chief economist of Exxon Mobil.

From Barron's • Apr. 5, 2026

Around 700 coupons are distributed daily, and cooked food is sent to 16 nearby mosques to serve both to the needy and the faithful.

From BBC • Mar. 28, 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

A faithful replica, except the paint was more simplified than his actual colon ing would have been.

From "Fablehaven" by Brandon Mull

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.