existing in thought or as an idea but not having a physical or practical existence 抽象的: We may talk of beautiful things, but beauty itself is abstract. 我们尽可谈论美的事物, 然而美本身却是抽象的. * He has some abstract (ie vague, impractical) notion of wanting to change the world. 他有一种要改造世界的空想. 
(of art) not representing objects in a realistic way but expressing the artist's ideas and feelings about certain aspects of them （指艺术）抽象派的: an abstract painting, painter 抽象画﹑ 抽象派画家. Cf 参看 concrete1 1.# ,abstract `noun noun that refers to an abstract quality or state, eg goodness or freedom 抽象名词（如goodness或freedom）.