Definitions

bad faith

NOUN

breach of contract

Synonyms

STRONGEST

breach of trust

WEAK

breach of faith breach of privilege breach of promise

NOUN

disloyalty

Synonyms

STRONGEST

breach of trust infidelity sedition treachery treason

STRONG

apostasy deceitfulness disaffection double cross double-dealing faithlessness falseness falsity inconstancy perfidiousness perfidy violation

WEAK

betrayal of trust breaking of faith recreancy seditiousness subversive activity untrueness

Antonyms

STRONGEST

devotion faithfulness fidelity loyalty

STRONG

honesty truthfulness

WEAK

trueness trustworthiness

NOUN

double-dealing

Synonyms

STRONG

chicane chicanery deceit deception dishonesty duplicity fraud hypocrisy mendacity perfidy treachery trickery

WEAK

foul play fourberie hanky-panky sharp practice two-timing

Antonyms

STRONG

fairness forthrightness frankness honesty openness sincerity trustworthiness truth truthfulness uprightness

NOUN

hypocrisy

Synonyms

STRONGEST

bigotry deceit deception dishonesty duplicity fraud insincerity mockery

STRONG

affectation cant casuistry display dissembling dissimulation double-dealing falsity glibness imposture irreverence lie pietism quackery sanctimoniousness sanctimony speciousness unctuousness

WEAK

false profession lip service pharisaicalness pharisaism phoniness

Antonyms

STRONGEST

fairness frankness honesty openness trustworthiness truth truthfulness uprightness

WEAK

forthrightness righteousness sincerity

NOUN

infidelity

Synonyms

STRONGEST

adultery affair betrayal duplicity treachery

STRONG

cheating faithlessness falseness falsity inconstancy lewdness perfidiousness perfidy treason unfaithfulness

WEAK

extramarital relations treacherousness two-timing

Antonyms

STRONGEST

faithfulness honesty loyalty

WEAK

fidelity

NOUN

pharisaism

Synonyms

WEAK

affectation bigotry cant casuistry deceit deception dishonesty display dissembling dissimulation double-dealing duplicity false profession falsity fraud glibness imposture insincerity irreverence lie lip service mockery pharisaicalness phoniness pietism quackery sanctimoniousness sanctimony speciousness tartuffery two-facedness unctuousness

NOUN

phoniness

Synonyms

WEAK

affectation bigotry cant casuistry deceit deception dishonesty display dissembling dissimulation double-dealing duplicity false profession falsity fraud glibness imposture insincerity irreverence lie lip service mockery pharisaicalness pharisaism pietism quackery sanctimoniousness sanctimony speciousness tartuffery two-facedness unctuousness

NOUN

sanctimoniousness

Synonyms

STRONG

affectation bigotry cant casuistry deceit deception dishonesty display dissembling dissimulation double-dealing duplicity falsity fraud glibness imposture insincerity irreverence lie mockery pietism quackery sanctimony speciousness unctuousness

WEAK

false profession lip service pharisaicalness pharisaism phoniness tartuffery two-facedness

Antonyms

STRONG

fairness forthrightness frankness honesty openness respect trustworthiness truth truthfulness uprightness

NOUN

sanctimony

Synonyms

STRONG

WEAK

false profession lip service pharisaicalness pharisaism phoniness tartuffery two-facedness

Antonyms

STRONG

fairness forthrightness frankness honesty openness respect trustworthiness truth truthfulness uprightness

NOUN

tartuffery

Synonyms

WEAK

affectation bigotry cant casuistry deceit deception dishonesty display dissembling dissimulation double-dealing duplicity false profession falsity fraud glibness imposture insincerity irreverence lie lip service mockery pharisaicalness pharisaism phoniness pietism quackery sanctimoniousness sanctimony speciousness two-facedness unctuousness

NOUN

two-facedness

Synonyms

WEAK

affectation bigotry cant casuistry deceit deception dishonesty display dissembling dissimulation double-dealing duplicity false profession falsity fraud glibness imposture insincerity irreverence lie lip service mockery pharisaicalness pharisaism phoniness pietism quackery sanctimoniousness sanctimony speciousness tartuffery unctuousness

NOUN

unfaithfulness

Synonyms

STRONG

apostasy defection dereliction disloyalty fickleness inconstancy perfidy treachery treason

WEAK

improbity recreancy

Antonyms

STRONG

devotion faithfulness fidelity loyalty

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.

The company accused Wilson of negotiating in bad faith after he proposed new terms, which it called “numerous new demands.”

From The Wall Street Journal • May 19, 2026

The FDA further showed its bad faith by leaking the rejection letter to the press.

From The Wall Street Journal • Apr. 14, 2026

Among its accusations, the labor group also said that guild management has “surveilled workers for union activity, terminated union supporters, and engaged in bad faith surface bargaining.”

From Los Angeles Times • Feb. 17, 2026

"I must also stress that some tweets have been completely misunderstood, seemingly in bad faith," he added.

From Barron's • Dec. 29, 2025

He demanded the return of his gifts, which she had accepted in bad faith.

From "A Clash of Kings" by George R.R. Martin

bad faith

Example Sentences

Related Words