Definition of unpopularity in English:

unpopularity

noun

mass noun
  • The state or condition of not being liked or popular.

    ‘the growing unpopularity of the war’
    ‘his unpopularity among his subjects made him fear for his life’
    • ‘There was something admirable about his optimism, in view of the company's rampant unpopularity.’
    • ‘He always addresses the important issues in the field, regardless of their difficulty or unpopularity.’
    • ‘There are various explanations for their lack of success, of which the most obvious is their unpopularity.’
    • ‘The general election was an unpopularity contest in which the least disliked man won.’
    • ‘His marriage to Henrietta Maria added to his unpopularity.’

Pronunciation

unpopularity

/ʌnpɒpjʊˈlarɪti/