The noun form for the adjective fierce is fierceness.
The abstract noun forms of the adjective 'fierce' are fierceness and ferocity.
Sea rats are fierce the way they tear through a ships cargo. Turkish rats are the most fierce rats in the world.
The comparative is "wilder" and the superlative is "wildest".
comparative anatomy
Fierce means marked by an extreme and violent energy. The superlative forms of fierce are fierce, fiercer, and fiercest.
more furious = comparative most furious = superlative
fiercest, fiercer
comparative=fiercer superlative=fiercest
Teapot is a noun and, as such, does not have a comparative degree.
"Less" is the comparative degree of little.
The comparative degree is bigger.
The comparative degree is wider.
The comparative degree of "holy" is "holier."
Thriftier is the comparative degree of thrifty.
The comparative degree for "lush" is "lusher."
"Speed" is a noun and a verb and, as such, does not have a comparative degree. The comparative of the adjective speedy is speedier.