adverb
Etymology: Middle English, from furious + -ly
1.
a. : in an impassioned manner : angrily , hotly
an alarm is raised and a number of Moors on horseback furiously pursue them — Bernard De Voto
b. : in a turbulent manner : wildly
the wind ran furiously , tearing leaves off trees, carrying great volumes of dust before it — Sherwood Anderson
2. : in a lively manner : energetically
she would heave her huge body onto the saddle and go pedaling furiously up the narrow street — Arnold Hill
3. : in an intensive manner or degree : extremely
decorated with furiously modern murals — Frederic Morton
a furiously colorful futurist study — S.E.Hyman