Definition of vaporware in English:

vaporware

(British vapourware)

noun

Computing
informal
  • Software or hardware that has been advertised but is not yet available to buy, either because it is only a concept or because it is still being written or designed.

    • ‘One thing you can be sure of: there's no risk of downloading a virus from vaporware.’
    • ‘Yes, clearly, some of these technologies are overhyped or vaporware, and some may go nowhere.’
    • ‘We should stop development on all new, and old products and concentrate on making them stable instead of showing vaporware.’
    • ‘When you talk to many developers today about Web services, you'll get the glassy eyed stare of someone who has dealt with vaporware for far too long.’
    • ‘While some have accused the product of being vaporware, it certainly is getting plenty of attention.’

Pronunciation:

vaporware

/ˈvāpərˌwer/