Antonyms

Gregarious adjective – Likely to seek or enjoy the company of others. Antisocial is an antonym for gregarious in outgoing topic.

The antonym of AWARE is Ignorant.

immortal is correct as the word mortal means (of a living human being, often in contrast to a divine being) subject to death and the word immortal means living forever; never dying or decaying.. Both the words are opposite of each other.

Virtuous means righteous and wicked means mischievous.
The Antonym of Virtuous is wicked.