calm/nervous, quick-tempered

easygoing/touchy, think-skinned, crabby
determined/indecisive
easy-going/stand offish
nosy(intrusive, prying, snoopy) / indifferent, uncaring, unconcerned, uninterested
determined/undetermined OR indecisive
sensible/irresponsible, reckless, rash
sensitive/insensitive (Ex. Insensitive to beauty)
serious/joking, funny
shy/sociable, easygoing
self-confident/insecure
thoughtful/thoughtless
sociable, outgoing/unsociable, sullen
tolerant/intolerant (narrow-minded?)

It would have been nice to know for sure what you are doing here. Is it synonyms and then antonyms?

yes on the last one

Sra