The phrase "haddest hand in" implies an individual's involvement in a particular situation or event. Antonyms for this phrase could include "absent," "uninvolved," "detached," "unrelated," or "unassociated." These words suggest a lack of participation or influence in a given scenario. Additionally, terms such as "disavow," "disown," or "disclaim" could be considered antonyms for "haddest hand in," as they connote a denial of responsibility or accountability for something. Expressing the opposite of "haddest hand in" with these antonyms can help to clarify a person's level of involvement and avoid confusion about who is responsible for a particular action or outcome.