← DefinitionshareGuesstwo timingadjectiveDescribing a person who deceives a romantic partner by having a secret relationship with someone else; unfaithful.nounThe act of deceiving a romantic partner by having a secret relationship with someone else; cheating.SynonymsunfaithfuladjectivecheatingnouninfidelitynounAntonymsloyaladjectivefaithfulnessnoun