The word "most doublecrossing" denotes a person who is deceitful, untrustworthy, and willing to betray others for personal gain. Antonyms for this word would be "trustworthy," "loyal," "honest," "faithful," "dependable," "sincere," "straightforward," and "forthright." These words refer to individuals who possess qualities such as integrity, reliability, and moral uprightness. Such individuals are unlikely to engage in treacherous behavior or deceive others for personal gain. They are known for their reliability and are held in high esteem by their peers. In contrast to the most doublecrossing people, trustworthy individuals are valued for their honesty and consistency.