Synonyms of disloyalty

disloyalty

noun

(ˌ)dis-ˈlȯi(-ə)l-tē 

1

as in infidelity

lack of faithfulness especially to one's husband or wife

she was greatly pained by her husband's disloyalty

Synonyms & Similar Words

• infidelity
• adultery
• betrayal
• perfidy
• faithlessness
• treachery
• unfaithfulness
• inconstancy
• perfidiousness
• falseness
• treason
• falsity
• deception
• duplicity
• lying
• deceit
• sellout
• double-dealing
• double cross

Antonyms & Near Antonyms

• loyalty
• allegiance
• devotion
• faith
• fidelity
• faithfulness
• fealty
• constancy
• steadfastness
• reliability
• devotedness
• dependability
• honesty
• staunchness
• trustworthiness

2

as in betrayal

the act or fact of violating the trust or confidence of another

His disloyalty to the company led to his dismissal.

Synonyms & Similar Words

• betrayal
• treachery
• treason
• infidelity
• faithlessness
• perfidy
• deception
• unfaithfulness
• backstabbing
• abandonment
• falseness
• deceit
• lying
• sellout
• double cross
• falsity
• desertion
• business
• two-timing
• duplicity
• double-dealing
• fraud
• informing
• guile
• trickery
• two-facedness
• snitching
• talebearing

Antonyms & Near Antonyms

• loyalty
• allegiance
• fidelity
• devotion
• faithfulness
• fealty
• steadfastness
• reliability
• trustworthiness
• dependability
• staunchness
• defense
• protection
• shield
• safeguard

Example Sentences

Recent Examples of disloyalty

And still, some people insist that admitting the flaws in our history — and our present — constitutes an act of innate disloyalty. — Orlando Sentinel Editorial Board, The Orlando Sentinel, 28 June 2026

Easley also argued constructive criticism was too often viewed as disloyalty and that many employees felt safer remaining silent than challenging decisions. — Nora O'Neill, Charlotte Observer, 19 June 2026

Suspected of disloyalty, his comrades were disappearing, including his own commander. — Matthew Campbell, Bloomberg, 22 May 2026

Discontent with congressional inaction also became an issue in Massie’s primary, as what was long celebrated as independence and principle was instead framed as disloyalty, grandstanding, and mindless obstructionism. — W. James Antle Iii, The Washington Examiner, 20 May 2026