Main Entry:

in·fi·del·i·ty

Pronunciation:

\ˌin-fə-ˈde-lə-tē, -(ˌ)fī-\

Function:

noun

Inflected Form(s):

plural in·fi·del·i·ties

Date:

15th century

1: lack of belief in a religion2 a: unfaithfulness to a moral obligation : disloyalty b: marital unfaithfulness or an instance of it