unfaithfulness

Synonyms:

infidelity

Antonyms:

faithfulness, fidelity

the quality of being faithful

Types:

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faithlessness, falseness, fickleness, inconstancy

unfaithfulness by virtue of being unreliable or treacherous

disloyalty

the quality of being disloyal

disaffection

disloyalty to the government or to established authority

subversiveness, traitorousness, treason

disloyalty by virtue of subversive behavior

perfidiousness, perfidy, treachery

betrayal of a trust

Type of:

quality

an essential and distinguishing attribute of something or someone