B2 adjective /ˌkɒm.plɪˈmen.tər.i/
Complimentary
complementario; de elogio; proporcionado gratuitamente como cortesía
Meaning
expressing praise or admiration; given or supplied free of charge as a courtesy
Example
The hotel offers complimentary breakfast for all guests.
El hotel ofrece desayuno complementario para todos los huéspedes.