out·side³/`at`saɪd; aʊtˈsaɪd/ n 1 the outside the part of something that surrounds it 〔某物的〕外面，外部，外侧: The outside of the building is pink. 这建筑物的外墙是粉红色的。 → opposite 反义词 INSIDE² 2 on the outside used to describe the way someone or something seems to be 从表面看，表面上: Their marriage seemed so perfect on the outside. 他们的婚姻表面上似乎完美无瑕。