A. A lot of adjectives are made from verbs by adding ‘-ing’ or ‘-ed’
B. ‘-ing’ adjectives: amusing, shocking, surprising, frightening, interesting, disappointing, exciting, tiring, worrying, boring, terrifying, annoying, etc
B1. If you call something interesting you mean it interests you. If you call something frightening you mean it frightens you.
C. ‘-ed’ adjectives: annoyed, bored, frightened, worried, tired, closed, excited, delighted, disappointed, etc.
C1. If something annoys you, you can say you feel annoyed. If something interests you, you can say you are interested.
D. Somebody is bored if something (or somebody else) is boring. If a person is boring, this means that they make other people bored.
D1. My job is boring/ interesting/ tiring/ satisfying/ depressing etc. the ‘~ing’ adjectives tells about the Job.
D2. I’m bored with/ interested in/ satisfied with my job. The ‘~ed’ adjectives tells how somebody feels. (about the job)