supertower

plural supertowers

1. informalA very tall building.

   1 more example

   A developer has already bought three other small adjoining buildings on the block and plans to demolish them to erect New York City’s latest opulent supertower: It would soar over 900 feet, some 80 stories, above the street in what the developer calls “Manhattan’s quintessential luxury neighborhood.”

   2015 August 18, Charles V. Bagli, “Skyscraper That Would Soar Over Sutton Place Runs Into Neighborhood Opposition”, in New York Times