Found 2 items, similar to mordaciously.
English → English (WordNet) Definition: mordaciously mordaciously adv : in a mordacious manner; “she taunted him mordaciously”
English → English (gcide) Definition: Mordaciously Mordacious \Mor*da"cious\, a. [L. mordax, -acis, fr. mordere, morsum, to bite. See Morsel.] Biting; given to biting; hence, figuratively, sarcastic; severe; scathing. -- Mor*da"cious*ly, adv. [1913 Webster]