Antonyms are words with opposite meanings. The phrase "conked out" generally means to lose energy or stop working. Therefore, some antonyms for "conked out" could be "functioning properly," "rested," "energized," "revived," and "awake." If one is not "conked out," they are likely alert and active. Other antonyms may include "vigorous," "lively," "animated," "thriving," and "flourishing." Synonyms and antonyms can be useful when trying to convey emotions or descriptions in writing or speech. By understanding antonyms, one can communicate more effectively and avoid misunderstandings.