mature, artificial, practical.
effortless, straightforward
A synonym for varied is diverse.
A synonym for temper is temperament.
I don't think there is a synonym for adjoined it is an antonym.
semantic is the synonym for isignificant
Elderly?
Doable.
macabre
effortless, straightforward
cardinal, vermilion, rubicund
Stylish, graceful, tasteful, sophisticated, chic.
excellent, competent, talented
stylish, fine, sophisticated, delicate, handsome, grandeur, refinement, gracefulness
creative, cultured, original, sophisticated, refined, aesthetic, eloquent, discerning
colossal, enormous, extensive, gigantic, paramount, powerful
informed, aware, reasonable, educated, sophisticated, cultivated, open-minded, knowledgeable
deficient, imperfect, incorrect, substandard, immoral, distressing