Top Definition
The act or state of practicing infidelity.

Function; Adjective

Inflected Form(s):
(quality; condition; process); infideliousness


Unfaithfulness to a moral obligation to another.

A broken promise of monogomy to one's significant other.

Disloyalty to one's mate.

Nonmonogamous behavior.

cheater liar two-timer

"Hey! Look! There goes (yet) some more grubby AIDS-riddled whores for him/her to be infidelious with!"


"Without her knowledge, behind his girlfriend's back, he often trolled the internet, preying on naive, lonely, and attention-starved girls to act out his infideliousness with. Yeah, he was a real piece of shit!"

by IHateLiars April 01, 2008

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