Faithfulness is commitment to someone or something. Faithfulness is especially valued in spouses and in sports fans.

When a married person is faithful, they stand by their spouse and don't cheat. Faithfulness refers to this quality of being faithful and loyal. A patriotic person is full of faithfulness to their country. Someone who works at one company for decades has faithfulness to that company. People can have faithfulness to ideas too, including religious, political, and artistic ideas.

Definitions of faithfulness
  1. noun
    the quality of being faithful
    synonyms: fidelity
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    infidelity, unfaithfulness
    the quality of being unfaithful
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    faithfulness and dependability in personal attachments (especially sexual fidelity)
    complete and wholehearted fidelity
    loyalty, trueness
    the quality of being loyal
    staunchness, steadfastness
    loyalty in the face of trouble and difficulty
    allegiance, fealty
    the loyalty that citizens owe to their country (or subjects to their sovereign)
    nationalism, patriotism
    love of country and willingness to sacrifice for it
    loyalty to the interests of a particular region
    type of:
    an essential and distinguishing attribute of something or someone
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