Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Sam kept them at a school, training them as the Supermen of America, though subsequent events revealed they were not as strong as Superman.
Source: https://www.cbr.com/superman-and-lois-metahuman-alesteir-hook/