Synonyms of high-class in English:

high-class


See US English definition of high-class

See UK English definition of high-class

adjective

1‘a high-class boarding school’

SYNONYMS
superior, upper-class, first-rate, high-quality, top-quality, high-grade, excellent, select, elite, exclusive, choice, premier, top, top-flight, grade A
luxurious, deluxe, elegant, fancy
British upmarket
North American high-toned, upscale
informal tip-top, top-notch, top-drawer, A1, stellar, super, super-duper, classy, posh
British informal, dated top-hole
Australian, New Zealand informal bonzer
British informal, dated spiffing, topping
ANTONYMS

low-class, ordinary