The opposite of “sub,” a prefix indicating a lower or subordinate position, is “above” or “superior.” “Superior” implies higher rank or importance, while “above” signifies a greater elevation. Synonyms for “above” include “higher,” “over,” and “lofty.” Understanding the prefix “sub” and its antonyms helps us comprehend words that convey a sense of closeness but from a lower position, as well as those that indicate positions that are higher or more elevated.