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1.
faithfulness to a person, cause, belief, etc, demonstrated by continued loyalty and support.
he had no fidelity so he cheated on his girl.
by JessFace August 04, 2008
 
2.
1. strict observance of promises, duties, etc: a servant's fidelity.

> conjugal faithfulness.
> adherence to fact or detail.
The speech was transcribed with great fidelity.
Fidelity to one's country.
by Isis M. [crayola®] May 05, 2007
 
3.
n. loyalty to the regime and leadership of a Cuban dictator
That man over yonder has no fidelity." "He should be shot!
by Samurguy April 08, 2011