scathinggerund / present participle Used as the present participle of the verb "scathe" with adjectival meaning.
Definitions
Present participle of "scathe", meaning 'causing or capable of causing harm, injury, or scorching' (archaic or literary). Scathing flames leapt from the burning rafters.
scathegerund / present participle Form “scathing” is widely used as an adjective meaning ‘severely critical’.
Definitions
Severely critical; caustic; withering in condemnation. The senator delivered a scathing critique of the proposed legislation.