Unwitty, a word used to describe someone who is not clever or quick-witted, has a plethora of synonyms. Some of these synonyms are dull, stupid, slow, unimaginative, and witless. Other words that can be used instead of unwitty include dense, unintelligent, brainless, and half-witted. These words are similar in meaning and can be used interchangeably depending on the context. It is important to note that while these words all describe a lack of wit, they may have slightly different connotations. For example, dense may imply a lack of understanding or perception, while witless may suggest a complete lack of cleverness or humour.