A more thorough explanation:

Term: insimul
Definition: When things are done together, it is called insimul.
Examples: The group of friends worked insimul to finish their project on time. The family insimul prepared dinner for the guests.
Explanation: Insimul means doing things together or jointly. The examples show how people work together to achieve a common goal. The group of friends worked together to finish their project on time, and the family prepared dinner together for their guests.