This is the 7886th most frequent Turkish word.
kibar
Polite; courteous; elegant.
Here, 'kibar' is used as an adjective describing someone's courteous and polite nature.
O, çok kibar bir insandır.
He is a very polite person.
In this sentence, 'kibar' is used as an adverb suggesting speaking in a courteous manner.
Lütfen biraz daha kibar konuşabilir misiniz?
Could you please speak a bit more politely?
In this case, 'kibar' is combined with 'beyefendi' (gentleman) to describe a demeanor associated with refinement and politeness.