the quality of being strange and more like a dream than reality 奇异的;虚幻的;梦幻般的 She had a strange sense of unreality. 她有一种奇怪的不真实感。 An air of unreality hung over the whole ceremony. 整个仪式笼罩着一种虚幻的气氛。
the fact of not being related to reality 不真实的;脱离现实的 the unreality of ambition and fantasy 野心和幻想的不现实