infidelity n : the quality of being unfaithful [syn: unfaithfulness] [ant: fidelity, fidelity]

Infidelity \In`fi*del"i*ty\, n.; pl. Infidelities. [L. infidelitas: cf. F. infid['e]lit['e].]
1. Want of faith or belief in some religious system; especially, a want of faith in, or disbelief of, the inspiration of the Scriptures, of the divine origin of Christianity. There is, indeed, no doubt but that vanity is one of the principal causes of infidelity. --V. Knox.
2. Unfaithfulness to the marriage vow or contract; violation of the marriage covenant by adultery.
3. Breach of trust; unfaithfulness to a charge, or to moral obligation; treachery; deceit; as, the infidelity of a servant. ``The infidelity of friends.'' --Sir W. Temple.

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Types of relationships Family · Marriage Husband · Wife Soulmate · Significant other Siblings · Cousin Domestic partnership Widowhood

Boyfriend · Girlfriend Cohabitation · Casual Romantic friendship · Sexual partner

Friendship · Kinship Monogamy · Same-sex relationship Non-monogamy · Open marriage Polyamory · Polyfidelity · Polygamy

Mistress (lover) · Cicisbeo · Concubinage · Courtesan ·

• Robert Pattinson Reportedly Held Kristen Stewart's Infidelity "Over Her Head"
  Robert Pattinson and Kristen Stewart reportedly split last weekend, and now Us Weekly claims that a big reason behind the breakup was Kristen's scandal with Rupert Sanders last July. Sources told the magazine that Rob put Kristen "through the ringer" about the affair and "held it over her head," even after they had gotten back together last Read more on this news related to 'Infidelity'
• Author Roger Thompson Unleashes the Consequences of Infidelity
  New book shares a profound look at the effects of adultery and how it could tear families apart. (PRWeb May 22, 2013) Read the full story at http://www.prweb.com/releases/RogerThompson/Cuckold/prweb10762973.htm Read more on this news related to 'Infidelity'
• Inner suburb tops infidelity list
  RICHMOND has been named Melbourne's most unfaithful suburb by a popular infidelity website. Which suburbs also polled highly? Read more on this news related to 'Infidelity'