Adjective
gobsmacking (comparative more gobsmacking, superlative most gobsmacking)
(slang) Causing one to be gobsmacked; astounding, flabbergasting.
The 2019 Final Report of the Royal Commission into Misconduct in the Banking, Superannuation and Financial Services Industry was scathing, revealing gobsmacking cartel-like and criminal behaviour on a massive scale. Source: Internet
The toxin load carried by most Americans in their bodies is gobsmacking, and can be the source of a whole spectrum of diseases and illnesses. Source: Internet