The word "adulterously" is an adverb that describes how someone acts in a way that involves adultery. Adultery is when a married person has a romantic or sexual relationship with someone who is not their spouse. So, when someone behaves "adulterously," they are acting in a way that is unfaithful to their partner.
In more complex sentences, "adulterously" can be used to discuss themes of trust, betrayal, and the consequences of infidelity: - "Their relationship ended because she had acted adulterously, leading to a loss of trust that could never be repaired."
"Adulterously" specifically relates to romantic relationships and infidelity. There are no different meanings for this word; it always focuses on unfaithfulness in a marital context.
While there aren't specific idioms directly related to "adulterously," you might encounter phrases about betrayal or faithfulness, such as: - "To cheat on someone" (to be unfaithful in a relationship). - "To play the field" (to date multiple people without commitment).