Definition of unreality in US English:

unreality

noun

  • The quality of being imaginary, illusory, or unrealistic.

    ‘the whole affair had an air of unreality’
    ‘the unreality of opera’
    count noun ‘the manufactured unrealities of television’
    • ‘The theme of unreality runs throughout his work.’
    • ‘This displacement of reality through insistence on the unreality of the war becomes necessary to survive.’
    • ‘Enjoying stardom while shrewdly aware of its unreality, she was accessible, loyal, generous, with a pungent sense of humour.’
    • ‘In the immediate aftermath of a terrifying event, many people report a sense of unreality.’
    • ‘When he isn't working, he stays away from Hollywood and its glittering unrealities.’

Pronunciation

unreality

/ˌənrēˈalədē//ˌənriˈælədi/