fidelity

word

/ˌfaɪˈdɛɫəti/
/fɪdˈɛlɪti/

Definition

Fidelity means being loyal and faithful to someone or something, such as a partner, belief, or commitment. It can also mean the degree to which something accurately copies or matches the original.

Usage & Nuances

"Fidelity" is formal and often used in discussions about relationships (especially romantic), loyalty to principles, or technical accuracy (like "high-fidelity audio"). Not commonly used in daily conversation; more typical in writing, law, or academic settings. Don't confuse with "infidelity" (opposite).

Example Sentences

The dog's fidelity to its owner was remarkable.

basic

He promised fidelity in their marriage vows.

basic

These headphones are known for their high fidelity sound.

natural

He admired her fidelity to her family.

basic

It's hard to question his fidelity after all these years.

natural

There's a difference between loyalty and fidelity in a relationship.

natural