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infidelity

in·fi·del·i·ty

infidelity

 
 
pronunciation:
In f de lih ti
features:
Word Parts
part of speech: noun
inflections: infidelities
definition 1: unfaithfulness, esp. to marital vows; adultery.
Infidelity has long been grounds for divorce.
antonyms:
fidelity
similar words:
adultery
definition 2: an act or the practice of such unfaithfulness.
She already knew of her husband's many infidelities.
similar words:
adultery
definition 3: lack of adherence to the Christian or Muslim religious faith.
Word Parts
The word infidelity contains the following parts:
in-2 Latin prefix that means not, without
Show wordsHide wordsMore about this word part:
The prefix in-2 occurs in Latin loanwords and attaches to Latinate bases. The bases of most words prefixed with in-2 are independent adjectives (inadvertent , incognizant ), although the base adjective may no longer be in widespread use (as with incessant ). Exceptions include iniquitous and indignant . -in2 has multiple forms, as the 'n' sound in in-2 assimilates to the initial sound of the base to which it is attached. See the assimilated forms ig-, il-2, im-2, and ir-2.
fid Latin root that means faith, trust