Thank you very much.

I'm having problems in finding antonyms for the following adjectives describing personality. Can you check my list, please? I need to fing synonyms for "nosy" and an antonym for "sensible", "sensitive".

1) How do you call someone who likes teasing his schoolmates?

active/passive
brave/cowardly
cheerful/down-hearted, sad
clever/stupid
confident(doubtful
dermined/indecisive
friendly/hostile
generous/ungenerous, mean
intolerant/tolerant
mean/generous
naive/experienced
nosy (intrusive, prying, meddlesome) /dicreet
practical/idealistic
sensible/???
sensitive/??
serious/joking
shy/extrovert
tolerant/intolerant (narrow-minded?)