Synonyms of disloyal

disloyal

adjective

(ˌ)dis-ˈlȯi(-ə)l 

as in traitorous

not true in one's allegiance to someone or something

we sensed that he was disloyal and would eventually turn on us

Synonyms & Similar Words

• traitorous
• unreliable
• treacherous
• false
• unfaithful
• faithless
• perfidious
• untrue
• fickle
• inconstant
• recreant
• untrustworthy
• irresponsible
• hesitant
• undependable
• uncertain
• faltering
• irresolute
• dubious
• uninterested
• apathetic
• dispassionate
• wavering
• vacillating
• trustless

Antonyms & Near Antonyms

• loyal
• faithful
• true
• constant
• responsible
• devout
• steadfast
• steady
• staunch
• reliable
• fast
• devoted
• trustworthy
• dedicated
• dependable
• dutiful
• solid
• down-the-line
• stanch
• trusty
• tried
• unhesitating
• unfaltering
• resolute
• determined
• intent
• confirmed
• inveterate
• enthusiastic
• trustable
• tried-and-true
• passionate
• ardent
• unwavering
• sworn
• impassioned
• fervent
• avid
• fervid
• dyed-in-the-wool

Synonym Chooser

How is the word disloyal different from other adjectives like it?

Some common synonyms of disloyal are faithless, false, perfidious, traitorous, and treacherous. While all these words mean "untrue to what should command one's fidelity or allegiance," disloyal implies a lack of complete faithfulness to a friend, cause, leader, or country.

disloyal to their country

Where would faithless be a reasonable alternative to disloyal?

The words faithless and disloyal can be used in similar contexts, but faithless applies to any failure to keep a promise or pledge or any breach of allegiance or loyalty.

faithless allies

When would false be a good substitute for disloyal?

Although the words false and disloyal have much in common, false stresses the fact of failing to be true in any manner ranging from fickleness to cold treachery.

betrayed by false friends

How are the words perfidious and faithless related as synonyms of disloyal?

Perfidious adds to faithless the implication of an incapacity for fidelity or reliability.

a perfidious double-crosser

When is it sensible to use traitorous instead of disloyal?

In some situations, the words traitorous and disloyal are roughly equivalent. However, traitorous implies either actual treason or a serious betrayal of trust.

traitorous acts punishable by death

When might treacherous be a better fit than disloyal?

The words treacherous and disloyal are synonyms, but do differ in nuance. Specifically, treacherous implies readiness to betray trust or confidence.

a treacherous adviser

Example Sentences

Recent Examples of disloyal

But because everyone was technically disloyal during Casa Amor, there wouldn’t have been much to show. —Daysia Tolentino, EW.com, 8 July 2025

To then be accused of being disloyal was a bit much. —Lizzie Hyman, People.com, 3 July 2025

Once viewed as disloyal, this approach is quickly becoming the smartest hedge against a volatile economy. —Cheryl Robinson, Forbes.com, 2 July 2025

The restructuring comes after Trump in April fired multiple senior NSC officials flagged by right-wing activist Laura Loomer as being disloyal to Trump during a White House visit. —Joey Garrison, USA Today, 25 May 2025