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https://english.stackexchange.com/questions/138665…
Is there a non-colloquial equivalent term for "cool"?
synonyms: fashionable, stylish, chic, up to the minute; sophisticated, cosmopolitan, elegant; le dernier cri; informal trendy, funky, with it, hip, in, big, happening, now, groovy, sharp, swinging; informal kicky, tony, fly; black English: down "she thinks she's so cool"