superdeep

Adjective

Meaning

English Wikipedia has an article on:Kola Superdeep BoreholeWikipedia
superdeep (not comparable)

Extremely deep

Examples

The deepest borehole in the world is Kola Superdeep Borehole at convert. Source: Internet

The deepest hole drilled to date is the Kola Superdeep Borehole citation with a drill-depth of more than 7.5 miles (12 kilometers). Source: Internet

Close letter words and terms