fierce means frightening and danger es
The word rail as a verb means to protest fiercely.
she fiercely ran from the dog....
Fierce and fiercely are adjectives. There is no noun related to "fiercely".
(of an adjective or adverb) expressing the highest or a very high degree of a quality (e.g., bravest, most fiercely).
The neighbors had bought a new watchdog, and he grimaced fiercely as I walked by.
The correct spelling is "fiercely."
Fiercely is an adverb.
Fiercely is an adverb (ferociously, violently). The adjective is simply fierce.
Adjectives and adverbs have comparative forms, expressing a higher degree of a quality, but not the highest possible (e.g., braver; more fiercely).
comparative=fiercer superlative=fiercest
The Battle of The Alamo was fiercely fought by it's defenders, but they ultimately lost. My heart just stopped when the big grizzly bear fiercely bared her teeth.
No, it is not a verb. Fiercely is an adverb.