The term "doubledealt" refers to someone who has acted dishonestly or betrayed someone's trust. Synonyms for doubledealt include duplicitous, treacherous, deceitful, disloyal, untrustworthy, and two-faced. These terms all describe individuals who cannot be relied upon and tend to engage in behavior that is harmful to others. People who have been doubledealt often feel hurt, betrayed, and angry. It is essential to be careful in choosing who to trust and to take the necessary steps to protect oneself from those who have a track record of being deceitful or disloyal. When these individuals reveal their true colors, it's important to distance oneself from them and find healthier relationships.