adjective faith·less \ ˈfāth-ləs \
|Updated on: 14 Jun 2018

Definition of faithless

1 : not true to allegiance or duty : treacherous, disloyal
  • a faithless servant
2 : not to be relied on : untrustworthy
  • a faithless tool





Examples of faithless in a Sentence

  1. faithless friends who deserted him in his time of need

Recent Examples of faithless from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'faithless.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of faithless

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

Synonym Discussion of 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

FAITHLESS Defined for English Language Learners


Definition of faithless for English Language Learners

  • : not able to be trusted

FAITHLESS Defined for Kids


adjective faith·less \ ˈfāth-ləs \

Definition of faithless for Students

: not worthy of trust : disloyal

Synonym Discussion of faithless

faithless, disloyal, and traitorous mean not being true to something that has a right to a person's loyalty. faithless is used when a person breaks a promise or pledge to remain loyal to someone or something.
    • Our faithless friends left us at the first sign of trouble.
disloyal is used when a person is unfaithful to someone or something that has the right to expect loyalty.
    • The disloyal citizens will be punished.
traitorous is used for actual treason or a betrayal of trust.
    • The traitorous soldier was giving secrets to the enemy.

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to grant as a privilege or special favor

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