Chumpish is an adjective used to describe someone who is foolish or gullible. Some synonyms for chumpish might include naive, simple-minded, or unsophisticated. Others might use words such as trusting, credulous, or easily deceived to describe someone who is chumpish. It is important to note that these words, while similar in meaning, can convey different connotations and attitudes towards the person being described. Synonyms for chumpish might also include terms such as clueless, dim-witted, or unintelligent, which carry a stronger negative connotation. Regardless of the specific word used, the general idea behind chumpish is a lack of awareness or understanding when it comes to certain situations or people.