Synonyms of complimentary in English:

complimentary


See definition of complimentary

adjective

1‘complimentary remarks’

SYNONYMS
flattering, appreciative, congratulatory, admiring, approving, commendatory, laudatory, highly favourable, glowing, eulogizing, adulatory
fulsome, honeyed, saccharine, sugary
informal rave
rare panegyrical, acclamatory, encomiastic, laudative
ANTONYMS

derogatory, scathing

2‘complimentary tickets’

SYNONYMS
free, free of charge, gratis, for nothing
courtesy
informal on the house
North American informal comp