Dark. Darker. Darkest. (as in, It doesn't get any darker.)
The superlative of dark is "darkest."
darkest
darker
dark - darker - darkest
darker
Darker and darkest.
There is no comparative of get.
comparative
dark - darker - darkest
dark - darker - darkest
darker
Darker and darkest.
darker, darkest
Yes, it is an adjective. It is the comparative form of the adjective dark.
"Darker" is an adjective in its comparative form.
There is no comparative of get.
comparative
The comparative of "first" is "earlier" or "prior".
comparative
comparative