Fun - tawamure
Scary - kawai
Bright - kagayakashii
Hard - katai
Soft - yawaraki
Pain - itomi
Sharp - kyuu
Dull - taikutsu
Dim - bon'yori
Dark - sumizome
Light - hikari
Fast - kousoku
Slow - okuraseru
Tight - pittarishita
Clear - katadsukeru
Opaque - futoumei
Exciting (verb) - koufunsoseru
Thick - futoi
Thin - yaseta
Short - tan
Tall - takai
Long - nagai
Rough - arai
Smooth - nomeraka
Risky - kiken