piercingly

Adverb

Synonyms: bitterly bitingly bitter shrilly

WordNet 3.0

Adverb (2)

extremely and sharply“it was bitterly cold”“bitter cold”Synonyms: bitterly bitingly bitter
in a shrill voice“she sang rather shrilly”Synonyms: shrilly

Webster's Dictionary (GCIDE)

Piercing \Pier"cing\, a. Forcibly entering, or adapted to enter, at or by a point; perforating; penetrating; keen; -- used also figuratively; as, a piercing instrument, or thrust. "Piercing eloquence." --Shak. [1913 Webster] -- Pier"cing*ly, adv. -- Pier"cing*ness, n. [1913 Webster]