"Worked hand in glove" is a popular phrase that is used to describe a cooperative relationship between two or more people or entities. However, there are many other ways to express this idea using different synonyms. "Collaborated closely," "worked in tandem," "united efforts," "coordinated efforts," and "conspired together" are all alternative options to describe a working relationship that is close-knit and cohesive. Other synonyms for "worked hand in glove" include "joined forces," "teamed up," "engaged in partnership," and "worked in concert." All of these phrases convey a similar sense of unity and teamwork, highlighting the importance of cooperation and collaboration in achieving shared goals.