"De-claims" means to retract or disclaim a statement previously made. Some antonyms that are opposite in meaning to "de-claims" include "affirm," "assert," or "avow." These words suggest that one is standing by their original statement and reaffirming its validity. Other antonyms include "insist," "emphasize," or "maintain," which imply that one is advocating for their original statement even more strongly. Additionally, "validate" or "corroborate" could be seen as antonyms, suggesting that one has found evidence or support for their original statement, rather than retracting it. Overall, "de-claims" is a term that suggests a reversal of stance, while antonyms like "affirm" or "assert" suggest a strengthening of one's position.