Half-wit is a term used to describe someone who is foolish or unintelligent. However, there are several synonyms for this word that can be used to demonstrate the same idea in a different way. Some of these words include dim-wit, simpleton, dullard, dolt, and imbecile. All of these words suggest a lack of intelligence or common sense in a person. Using synonyms like these can help add variety to your writing and make your ideas more interesting. So next time you need to describe someone who lacks wits or intelligence, consider using one of these alternatives to half-wit.