Doubledealing is a term that denotes dishonest behaviour or actions. It can be described as deceitful, treacherous, or two-faced. The opposite of doubledealing is an honest approach, which can be expressed using words like trustworthy, sincere, open, honest, and transparent. These words signify a person who is reliable and candid, an attribute in high demand in society. When doing business or personal dealings, it is important to ensure that one is not double-dealing as it can lead to distrust and even legal trouble. Therefore, it is advisable to adopt an honest and trustworthy approach in all dealings.