Adjektive
lousy [ lousier ; lousiest ]
crummy [ crummier ; crummiest ]
evil [ eviller/more evil ; evillest/most evil]
rotten [ rottener/more rotten ; rottenest/most rotten]
icky [ ickier ; ickiest ]
vicious [ more vicious ; most vicious ]
paltry [ paltrier ; paltriest]
woful [ more woful ; most woful ]
fiendish [ more fiendish ; most fiendish]
terrific [ more terrific ; most terrific]
...