This is the 4765th most frequent Korean word.
고마운
"Thankful" or "grateful."
In this sentence, the word "고마운" describes the friend who is appreciated for their help.
고마운 친구가 저를 도와주었어요.
A grateful friend helped me.
Here, "고마운" refers to people who have acted in ways that are deserving of gratitude.
저는 고마운 사람들을 생각하며 감사드립니다.
I think of thankful people and express my gratitude.
In this context, "고마운" is used to describe the gift as something carrying connotations of gratitude.