More Refined is an adjective that describes something that has been improved or made more sophisticated. Courtlier, Purer, and NICER are all synonyms of More Refined, meaning they all describe something that has been improved or made more sophisticated. Courtlier is a nine-letter word that means having the manners or qualities expected of a courtier or someone who is polite and well-mannered. Purer is a five-letter word that means free from any contamination or impurities. NICER is also a five-letter word that means more pleasant or attractive.