faithless

adjective

faith·​less ˈfāth-ləs 

1

: not true to allegiance or duty : treacherous, disloyal

a faithless servant

2

: not to be relied on : untrustworthy

a faithless tool

faithlessly adverb

faithlessness noun

Synonyms

• disloyal
• false
• fickle
• inconstant
• perfidious
• recreant
• traitorous
• treacherous
• unfaithful
• untrue

Choose the Right Synonym for faithless

faithless, false, disloyal, traitorous, treacherous, perfidious mean untrue to what should command one's fidelity or allegiance.

faithless applies to any failure to keep a promise or pledge or any breach of allegiance or loyalty.

faithless allies

false stresses the fact of failing to be true in any manner ranging from fickleness to cold treachery.

betrayed by false friends

disloyal implies a lack of complete faithfulness to a friend, cause, leader, or country.

disloyal to their country

traitorous implies either actual treason or a serious betrayal of trust.

traitorous acts punishable by death

treacherous implies readiness to betray trust or confidence.

a treacherous adviser

perfidious adds to faithless the implication of an incapacity for fidelity or reliability.

a perfidious double-crosser

Examples of faithless in a Sentence

faithless friends who deserted him in his time of need

Recent Examples on the Web

But, these faithless actors have never changed the outcome of an election. —Solcyré Burga, TIME, 28 Oct. 2024

Since Biden is no longer in the running, they won't be considered faithless. —Kaleigh Rogers, ABC News, 23 July 2024

Nellore admits to being of faithless background yet criticizes people of faith. —Reader Commentary, Baltimore Sun, 8 Mar. 2024

Image In the Patricia Highsmith novel and the subsequent Hitchcock movie that introduced this intriguing plot to the public, the would-be victims are mere annoyances — a critical father, a faithless wife. —Sarah Lyall, New York Times, 11 Apr. 2024

Word History

Etymology

Middle English feithles, from feith faith entry 1 + -les -less

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing faithless

• faithless elector

Kids Definition

faithless

adjective

faith·​less ˈfāth-ləs 

1

: not true to allegiance or duty : disloyal

2

: not worthy of being trusted or relied upon

faithlessly adverb

faithlessness noun