scathingly
Scathingly is an adverb describing the manner in which something is done—in a harsh, caustic, or severely critical way. It typically modifies verbs or entire clauses to intensify condemnation or disdain.
Origin: It is formed from the adjective scathing, which means intensely critical or damaging. The suffix -ly
Usage: Scathingly appears in journalism, literary criticism, and public discourse to convey a notably harsh assessment.
Nuance: The term conveys not just disagreement but biting fault-finding or contempt. It is relatively formal
See also: scathing, the related adjective from which this adverb is derived.