"Disclaimed" is a verb that means to deny, disavow or renounce a claim, right or obligation. It has several antonyms or opposite words that are commonly used in the English language. One of the antonyms for "disclaimed" is "acknowledged," which means to recognize, accept or admit the existence or truth of something. Another antonym is "claimed," which is the opposite of denying or disavowing a right or responsibility. Meanwhile, "asserted" is an antonym for "disclaimed" that means to state or declare something confidently or firmly, without doubt. Lastly, "avowed" is an antonym that refers to openly acknowledging or admitting something that is often considered controversial or unpopular.