Dis-confirm is a word that means to deny or contradict something. Its antonyms are words with opposite meanings. Some possible antonyms for dis-confirm are affirm, confirm, validate, certify, endorse, approve, agree, support, corroborate, and accept. These words are used to express agreement or approval of something, to confirm its validity or truthfulness. For instance, if a new scientific study confirms previous findings, it means that the new results are consistent with the old ones, and they support the same conclusion. Overall, antonyms for dis-confirm are positive expressions that indicate agreement, validation, and consistency.