두 가지 이상의 사물이나 개념을 의미나 효과의 변화 없이 서로 바꾸어 사용할 수 있게.
In a way that allows two or more things to be used or exchanged in place of each other without changing the meaning or effect.
예문:
"The terms 'software' and 'program' are often used interchangeably in casual conversation."
"These two engine parts are designed to be used interchangeably across different models."
"In many recipes, butter and margarine can be used interchangeably depending on personal preference."