Standard Lemma guide

faithless

adj · 7 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

adj

Meaning 1

Lacking faith; lacking belief in something.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Not believing in God, religion, or a comparable ideology.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Unfaithful (said of people, towards their partners)

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adj

Meaning 4

Not observant of promises or covenants.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

adj

Meaning 5

Not true to allegiance, duty, or vows

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: perfidious, treacherous, disloyal, booky, dastardly, disleal, double-crossing, double-dealing, double-faced, double-hearted, doublehearted, faithless, false, falseheart, false-hearted, guiled, guileful, hollow-hearted, illoyal, infidelitous, insidious, Judaslike, Judasly, nonfaithful, proditorious, proditory, Punic, ratlike, recreant, renegade, reptilian, reptitious, swike, traitorish, traitorlike, traitorly, traitorous, traitorsome, treachersome, trothless, unfaithful, unleal, unloyal, unsteadfast, untrue, viperish, viperous

Antonyms: none provided

6

adj

Meaning 6

Serving to disappoint or deceive

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: delusive, unsatisfying

Antonyms: none provided

7

adjective satellite

Meaning 7

having the character of, or characteristic of, a traitor

Definition source: Princeton WordNet 3.0

Examples

  • the faithless Benedict Arnold
  • a lying traitorous insurrectionist

Meaning relationships

Synonyms: traitorous, unfaithful, treasonable, treasonous

Antonyms: none provided

History

Etymology

From Middle English feithles, equivalent to faith + -less.