Dum-dum, a word often used to describe a dull-witted person, can have antonyms that denote opposite meanings. Some of the antonyms of dum-dum include intelligent, brilliant, sharp, astute, and clever. These words express the opposite of being unwise or foolish, and instead, suggest wisdom, mental acuity, and shrewdness. Contextualizing antonyms of dum-dum is crucial as the term has a negative connotation, and using an antonym can avoid offending people. In summary, using antonyms of dum-dum can help to convey a positive and respectful message about someone's mental abilities, in contrast to the term's negative connotations.