A stumper refers to something that is puzzling or challenging, and finding synonyms for it can help enrich one's vocabulary. Some synonyms for stumper include baffling, enigma, intricacy, mystery, puzzle, and conundrum. A puzzling situation may require critical thinking, creative problem-solving and brainstorming, or deep research to solve it. Some stumper synonyms may denote a particular type of puzzle, such as a riddle, brainteaser, paradox, or cryptogram. Depending on the context, stumper synonyms can also include complex, confusing, or difficult. Overall, using stumper synonyms can aid in precise and diverse communication, especially when dealing with perplexing issues.