Fidelity
Fidelity noun - Adherence to something to which one is bound by a pledge or duty.
Usage example: they have never wavered in their fidelity to the cause of freedom
Reliability is a synonym for fidelity in faithfulness in a relationship topic. In some cases you can use "Reliability" instead a noun "Fidelity", when it comes to topics like true-heartedness.
Reliability
Reliability noun - Worthiness as the recipient of another's trust or confidence.
Fidelity is a synonym for reliability in dependability topic. You can use "Fidelity" instead a noun "Reliability".
Mutual synonyms
Related pairs
- devotion and fidelity
- devotion and reliability
- loyalty and fidelity
- loyalty and reliability
- allegiance and fidelity
- allegiance and reliability
- dedication and fidelity
- dedication and reliability
- fealty and fidelity
- fealty and reliability
- faithfulness and fidelity
- faithfulness and reliability
- constancy and fidelity
- constancy and reliability
Both words in one sentence
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Can be interpreted in truthfulness in word, but also as integrity of character, and fidelity and reliability in deed.
Source: Virtue/Vice Codification - Fidelity. Conservatives have a tendency to place high value on all moral ideals that increase reliability.
Cite this Source
Reliability and Fidelity. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/fidelity/reliability
Fidelity & Reliability. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/fidelity/reliability>.
Reliability or Fidelity. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/fidelity/reliability.
Google Ngram Viewer shows how "fidelity" and "reliability" have occurred on timeline