SARDONICALLY

sarcastically, sardonically

(adverb) in a sarcastic manner; “‘Ah, now we’re getting at the truth,’ he interposed sarcastically”

Source: WordNet® 3.1

Etymology

Adverb

sardonically (comparative more sardonically, superlative most sardonically)

In a sardonic manner

Synonyms: cynically, mockingly, scornfully, sarcastically

Source: Wiktionary

SARDONIC

Sar*don"ic, a. Etym: [F. sardonique, L. sardonius, Gr. Sardinia, Gr.

Definition: Forced; unnatural; insincere; hence, derisive, mocking, malignant, or bitterly sarcastic; -- applied only to a laugh, smile, or some facial semblance of gayety. Where strained, sardonic smiles are glozing still, And grief is forced to laugh against her will. Sir H. Wotton. The scornful, ferocious, sardonic grin of a bloody ruffian. Burke. Sardonic grin or laugh, an old medical term for a spasmodic affection of the muscles of the face, giving it an appearance of laughter.

Sar*don"ic, a.

Definition: Of, pertaining to, or resembling, a kind of linen made at Colchis.

Source: Webster’s Unabridged Dictionary 1913 Edition