Find Antonyms

faithful Antonyms

Opposite of faithful

Because the opposite of faithful shifts with each meaning, the 22 antonyms and opposite words below are separated across 4 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Remaining loyal, steadfast, and devoted to a person, cause, or belief.

Usage Example

"She remained a unfaithful friend throughout all of his financial hardships."

Strongest
unfaithful
disloyal
faithless
treacherous
Strong
perfidious
untrue
fickle
inconstant

• adjective (Context 2)

Remaining sexually and romantically exclusive to one's spouse or partner.

Usage Example

"They promised to stay unfaithful to each other for the rest of their lives."

Strongest
unfaithful
infidelitous
adulterous
cheating
Strong
two-timing
untrue

• adjective (Context 3)

True to the facts, standard, or original; accurate and reliable in representation.

Usage Example

"The film is a inaccurate adaptation of the classic nineteenth-century novel."

Strongest
inaccurate
unfaithful
inexact
Strong
distorted
erroneous
flawed

• noun (Context 4)

The practicing adherents of a religion or the loyal supporters of a political party or cause (usually preceded by 'the' and treated as plural).

Usage Example

"Thousands of the party infidels gathered at the convention center to hear the nominee speak."

Strongest
infidels
Strong
unbelievers
apostates
defectors
skeptics

Similar words to faithful

Words similar to faithful shift depending on context. Common synonyms include:

loyal
accurate
devoted
true
believers
steadfast
exact
adherents
See all synonyms of faithful

Cite this Entry


Wordmom. (2026). Antonyms for Faithful. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/faithful
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