noun Also in-be·tween·er.
- a person or thing that is between two extremes, two contrasting conditions, etc.: yeses, noes, and in-betweens; a tournament for professional, amateur, and in-between.
- a person who handles the intermediary steps, as in a manufacturing or sales process.
- being between one thing, condition, etc., and another: a coat for in-between weather.
- intermediatehe’s at the in-between stage, neither a child nor an adult
- an intermediate person or thing