"Speed" is a noun and a verb and, as such, does not have a comparative degree. The comparative of the adjective speedy is speedier.
The comparative degree of cheerful is more cheerful.Its superlative degree, then, is most cheerful.
The comparative degree is 'more magnificent' and the superlative degree is 'most magnificent'.
touchier = comparative touchiest = superlative
"Litter" is a noun and a verb and, as such, does not have a comparative degree.
The comparative degree of 'calm' is 'calmer'.
"Less" is the comparative degree of little.
The comparative degree is wider.
Teapot is a noun and, as such, does not have a comparative degree.
The comparative degree of "holy" is "holier."
Thriftier is the comparative degree of thrifty.
The comparative degree for "lush" is "lusher."
The comparative degree of "light" is "lighter."
better for its comparative and best for its superlative
"Less" is the comparative degree of little. The superlative degree is least.
The comparative degree of "sad" is "sadder."
"Message" is a noun and (these days) a verb and, as such, does not have a comparative degree.
"More important" is the comparative degree of important.