The comparative degree of "up" is "higher." In English grammar, the comparative degree is used to compare two things or people. When comparing the vertical position of two objects, "higher" is the appropriate term to indicate that one object is at a greater elevation than the other.
The comparative degree is wider.
busier..
keener
lesser
Comparative = more important Superlative = most important
more full, more up
The comparative degree of "holy" is "holier."
Teapot is a noun and, as such, does not have a comparative degree.
The comparative degree is wider.
"Less" is the comparative degree of little.
Thriftier is the comparative degree of thrifty.
The comparative degree of "light" is "lighter."
The comparative degree for "lush" is "lusher."
better for its comparative and best for its superlative
"Speed" is a noun and a verb and, as such, does not have a comparative degree. The comparative of the adjective speedy is speedier.
"Less" is the comparative degree of little. The superlative degree is least.
The comparative degree for "moody" is "more moody."