vaporware
/ˈveɪpərˌwɛr/
noun
- A product, especially computer software or hardware, that is announced or advertised but never actually released to the public.
- The company promised a revolutionary new game, but it turned out to be vaporware.
- Many startups announce vaporware to attract investors before they have a working product.
- Tech journalists often warn readers about vaporware that never ships.
Synonyms