The word "scroungiest" is an adjective that describes something as dirty, shabby, or unkempt. Its antonyms are words that convey the opposite meaning, such as clean, tidy, immaculate, pristine, and well-groomed. Other antonyms of "scroungiest" that describe something as proper, well-maintained, or refined include elegant, polished, sophisticated, sleek, and refined. These words are often used to describe high-end clothing, well-manicured lawns, and luxurious homes, among other things. Employing these antonyms in your writing or conversation can add depth to your vocabulary and help you express yourself in a more nuanced way.