Definition of notion noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈnəʊʃn//
; NAmE NAmE//ˈnoʊʃn//
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an idea, a belief or an understanding of something notion (of something) a political system based on the notions of equality and liberty She had only a vague notion of what might happen. He has no notion of the difficulty of the problem. notion (that…) I have to reject the notion that greed can be a good thing. Word Originlate Middle English: from Latin notio(n-) ‘idea’, from notus ‘known’, past participle of noscere.Extra examples He’s got some vague notion that people will be queuing up to finance the project. I haven’t the faintest notion how to get there. There seems to be a general notion that nothing can be done about the problem. They have come to reject the traditional notion of womanhood. They refused to entertain the notion. We must dispel this notion that you can rely on the state for everything. I had only the vaguest notion of what he was like. Our political system is based on notions of justice and equality. They were not familiar with the notion that women should have equal status with men.
See the Oxford Advanced American Dictionary entry: notion