allegiance

noun

al·​le·​giance ə-ˈlē-jən(t)s 

plural allegiances

1

a

: the obligation of a feudal vassal to a liege lord

b

: the fidelity owed by a subject, citizen, or noncitizen resident to a sovereign or government

We pledge allegiance to our country.

2

: devotion or loyalty to a person, group, or cause

allegiance to a political party

allegiant

ə-ˈlē-jənt 

adjective

Synonyms of allegiance

• loyalty
• commitment
• dedication
• devotion
• fidelity

Choose the Right Synonym for allegiance

fidelity, allegiance, fealty, loyalty, devotion, piety mean faithfulness to something to which one is bound by pledge or duty.

fidelity implies strict and continuing faithfulness to an obligation, trust, or duty.

marital fidelity

allegiance suggests an adherence like that of citizens to their country.

pledging allegiance

fealty implies a fidelity acknowledged by the individual and as compelling as a sworn vow.

fealty to the truth

loyalty implies a faithfulness that is steadfast in the face of any temptation to renounce, desert, or betray.

valued the loyalty of his friends

devotion stresses zeal and service amounting to self-dedication.

a painter's devotion to her art

piety stresses fidelity to obligations regarded as natural and fundamental.

filial piety

Examples of allegiance in a Sentence

He owes allegiance to them for all the help they have given him.

Both candidates are working hard to convince voters to switch allegiances.

Recent Examples on the Web

Naturalized citizens study American history, pass a civics test, swear allegiance to the United States, and accept the duties of membership in the political community. —Matt Klink, Oc Register, 1 May 2026

Then, in the most shocking moment in the flashback, Lydia agrees to kill her former colleague to prove her Gilead allegiance. —Jackie Strause, HollywoodReporter, 29 Apr. 2026

An Austrian man who authorities said pledged allegiance to the Islamic State terrorist group pleaded guilty Tuesday to a foiled plot to attack one of Taylor Swift’s concerts in Vienna. —Greg Norman-Diamond, FOXNews.com, 28 Apr. 2026

Wiener Neustadt, Austria — A man accused of pledging allegiance to ISIS and plotting to attack one of superstar singer Taylor Swift's concerts in Vienna nearly two years ago pleaded guilty as his trial began on Tuesday, Austria media reported. —CBS News, 28 Apr. 2026

Word History

Etymology

Middle English aligeaunce, borrowed from Anglo-French alleggeance, alter. (by addition of the verbal prefix a-, going back to Latin ad- ad-) of ligeance, from lige, liege liege entry 1 + -ance -ance

First Known Use

15th century, in the meaning defined at sense 1a

Kids Definition

allegiance

noun

al·​le·​giance ə-ˈlē-jən(t)s 

1

: loyalty and obedience owed to one's country or government

2

: devotion or loyalty to a person, group, or cause