complimentary
adjective uk/ˌkɒm.plɪˈmen.tər.i/ us/ˌkɑːm.pləˈmen.t̬ɚ.i/
(PRAISING)
赞美的;赞赏的;恭维的
praising or expressing admiration for someone
The reviews of his latest film have been highly complimentary. 评论文章对他的最新影片高度赞赏。
She wasn't very complimentary about your performance, was she? 她对你的表演不怎么赞赏，是吗？
Our guests said some very complimentary things about the meal I'd cooked. 我们的客人对我做的饭菜大加赞赏了一番。
Opposite: uncomplimentary
(FREE)
C2 （尤指票、书等由公司）免费赠送的
If tickets, books, etc. are complimentary, they are given free, especially by a business.