Synonyms of slap-up in English:

slap-up


See US English definition of slap-up

See UK English definition of slap-up

adjective

1‘a slap-up dinner’

SYNONYMS
lavish, sumptuous, elaborate, expensive, no-expense-spared, fit for a king, princely
excellent, splendid, magnificent, marvellous, superb, first-class
ANTONYMS

meagre