uni·son 
/ˈju:nəsən/ noun
/ˈju:nəsən/ noun Meaning:
in unison
◊If people do something in unison, they do it together at the same time.
▪ singing/playing in unison ▪ The children recited the alphabet in unison. If people work in unison, they work together to achieve something. ▪ Local residents and police are working in unison to make the neighborhood safer.
▪ singing/playing in unison ▪ The children recited the alphabet in unison. If people work in unison, they work together to achieve something. ▪ Local residents and police are working in unison to make the neighborhood safer.
