Allegiance vs Fidelity

When to use each in English, with meaning, register, and examples.

Allegiance

FormalTop 5,000 (fairly common)

Fidelity

 AllegianceFidelity
Pronunciation🇬🇧 //əˈliːdʒəns//🇺🇸 //əˈliːdʒəns//
MeaningLoyalty or support for someone or something.
ExampleHe pledged his allegiance to the country during the ceremony.-
RegisterFormal-
How commonTop 5,000 (fairly common)-
Collocationspledge allegiance, allegiance to a cause, swear allegiance-
Antonymsdisloyalty, betrayal, defection-
Common mistakesUsing 'allegiance' incorrectly as a verb., Confusing with 'allegory', which means a symbolic story., Incorrectly using 'allegiance' for personal relationships.-
Usage notesUsually used in political or military contexts. It's best used in formal speeches or writings. Avoid in casual conversations.-

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Allegiance
Fidelity

Frequently asked questions: Allegiance vs Fidelity

What's the difference between Allegiance and Fidelity?

Allegiance: Loyalty or support for someone or something. Fidelity:

Can I use Allegiance and Fidelity interchangeably?

Not always. Allegiance and Fidelity are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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