Synonyms of first-class in English:

first-class


See definition of first-class

adjective

1‘a first-class hotel’

SYNONYMS

superior, first-rate, high-quality, top-quality, top, top-tier, quality, high-grade, five-star, fine

prime, premier, premium, grade A, best, finest, select, of the first water

exclusive, elite, special

excellent, exceptional, exemplary, superlative, superb

British top of the range

US top of the line

par excellence

informal tip-top, A1, top-notch, stellar, plum

ANTONYMS

poor