fidelity
fidelity — noun
1. a state of faithful dedication to a person, group, or belief, especially within
a state of faithful dedication to a person, group, or belief, especially within a romantic relationship where both partners expect honesty and commitment.
Padma valued fidelity in her marriage above everything else.
collocation: fidelity in marriage
The knight's fidelity to the crown was never questioned.
passive: fidelity to [institution] was never questioned
Christopher promised fidelity to his wife on their wedding day.
Members of the group must show fidelity to the organization's principles.
Élise ended the relationship when she discovered his lack of fidelity.
- loyalty
more general; can apply to countries, teams, brands, whereas 'fidelity' often implies a deeper personal bond
- faithfulness
very close in meaning; 'faithfulness' sounds slightly more emotional, 'fidelity' more formal
- allegiance
chiefly used for loyalty to a country, government, or leader — less personal than 'fidelity'
- infidelity
the direct opposite; specifically for sexual unfaithfulness in a relationship
- disloyalty
broader; covers betrayal of any person, group, or cause
文法句型
fidelity + to
用法筆記
Frequently paired with the preposition 'to' (fidelity to someone/something). The adjective 'faithful' is more common in everyday speech; 'fidelity' is noticeably more formal.
常見錯誤
2. the extent to which a copy or reproduction of something — such as a sound record
the extent to which a copy or reproduction of something — such as a sound recording, image, or piece of information — matches the original in detail and quality.
The new speakers offer excellent sound fidelity across all frequencies.
collocation: sound fidelity
Zuri was impressed by the high fidelity of the digital scan.
This old camera reproduces colours with remarkable fidelity to the original scene.
Rania checked the data fidelity before submitting her research report.
Hao prefers vinyl records for their warmth and audio fidelity.
- accuracy
broader; can apply to any situation requiring correctness, not just reproduction
- precision
focuses on exactness of detail; more common in measurements than in audio/visual contexts
- authenticity
emphasises being genuine rather than a mere copy; closer to 'realness' than 'accuracy'
- distortion
a change that makes a reproduction inaccurate, especially in sound or image
- inaccuracy
general lack of correctness; less specific to reproduction
文法句型
fidelity + of
adjective + fidelity
fidelity + to
用法筆記
Commonly modified by adjectives such as 'high', 'low', 'excellent', 'remarkable'. The fixed phrase 'high fidelity' ('hi-fi') is a standard term for high-quality audio equipment. Often used in technical writing about audio, video, imaging, and data.