If you are a Korean and know the difference between fun/funny

/enjoyable, scared/scary, and bored/boring, you are a GENIUS in Korea.

fun = riding a roller coaster, swimming, riding a bike
funny = your teacher farting, a comedy movie
enjoyable = a tv show, a movie, a class

scared = feeling of a human caused by something scary
“did you see the ghost? I am so scared now” “he is not scared of snakes”
scary = something that makes you scared
“that dog is scary” “that movie is scary”
“you are scaring me because you are so scary”

bored = feeling of a human caused by something boring “i am bored” “that kid looks bored”
boring = something that makes you bored “this show is boring” “this class is boring” “you are so boring so now i’m bored”