loyalty
Word family
- loyaladjectiveB2
- loyallyadverbB2
- disloyaladjectiveB2
- disloyaltynounC1
- loyalistnounC1
Synonym discussion
Sense: noun/1
All four words describe a steady commitment to someone or something, but they differ in scope and emotional weight. Faithfulness emphasises reliability and keeping promises in personal relationships — staying true to a partner or friend over the years. Devotion adds warmth and a sense of self-sacrifice; you devote yourself to a cause or a person, often giving up something in the process. Allegiance is more formal and public, typically used for loyalty to a country, political party, or leader — soldiers swear allegiance to the flag. Fidelity suggests a principled, almost legal adherence to duty or truth, such as loyalty to a contract, a set of facts, or a marriage vow. While loyalty is the broadest, everyday word for any kind of steadfast support, faithfulness feels more relational, devotion more heartfelt, allegiance more official, and fidelity more exact and principled.
Common collocations
Etymology
Loyalty comes from Old French 'loialté', which developed from Latin 'legalitas' (lawfulness, legality). In medieval times, the word described a subject's strict legal obligation to a ruler under feudal law. By the 1400s, its meaning broadened into personal and emotional faithfulness — loyalty to a friend, a cause, or a principle — while still carrying a sense of duty and honour.