CASUAL Synonyms: 212 Similar and Opposite Words - Merriam …
https://www.merriam-webster.com/thesaurus/casual
WEBSynonyms for CASUAL: informal, everyday, relaxed, workaday, sporty, sloppy, slovenly, dégagé; Antonyms of CASUAL: formal, dressy, best, elegant, Sunday, fashionable, chic, stylish
DA: 16 PA: 19 MOZ Rank: 68