This is the 12578th most frequent Russian word.
комфортным
Comfortable.
Here, 'комфортным' (comfortable) is used as an adjective describing the quality of the chair for prolonged work use.
Этот стул очень комфортным для долгих часов работы.
This chair is very comfortable for long hours of work.
In this sentence, 'комфортным' (comfortable) describes the surprising quality of living in the new house.
Мой новый дом оказался гораздо более комфортным, чем ожидалось.
My new home turned out to be much more comfortable than I expected.
The word 'комфортным' (comfortable) is used to depict the pleasantness of the climate suitable for vacationing.