1. faithfulness to a person, cause, or belief, demonstrated by continuing loyalty and support
2. sexual faithfulness to a spouse or partner
3. the degree of exactness with which something is copied or reproduced
Usage: technical

Examples

• The soldier’s fidelity to his country never wavered.
• She questioned her husband’s fidelity after finding suspicious messages.
• The couple promised fidelity to each other in their wedding vows.
• The high-fidelity sound system reproduced the music perfectly.
• His fidelity to the original text made for an excellent translation.
• The documentary maintained fidelity to historical facts.
• Their fidelity to the company lasted through difficult times.