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infidelity

 - 2 dictionary results

in⋅fi⋅del⋅i⋅ty

[in-fi-del-i-tee]
–noun, plural -ties.
1. marital disloyalty; adultery.
2. unfaithfulness; disloyalty.
3. lack of religious faith, esp. Christian faith.
4. a breach of trust or a disloyal act; transgression.

Origin:
1375–1425; late ME < L infidēlitās, equiv. to infidēli(s) unfaithful (see infidel ) + -tās -ty 2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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in·fi·del·i·ty   (ĭn'fĭ-děl'ĭ-tē)   
n.   pl. in·fi·del·i·ties
    1. Unfaithfulness to a sexual partner, especially a spouse.

    2. An act of sexual unfaithfulness.

  1. Lack of fidelity or loyalty.

  2. Lack of religious belief.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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