This is the 14095th most frequent Korean word.
멀어
"멀어" means "far" or "distant" in English.
The word '멀어' describes the distance between the viewer and the mountain, indicating that it is far away.
그 산은 굉장히 멀어 보인다.
That mountain looks very far away.
Here, '멀어' is used to express the physical distance from the house to the school.
학교가 집에서 멀어도 매일 걸어가요.
Even though the school is far from home, I walk there every day.
In this case, '멀어질' (derived from '멀어') metaphorically indicates a decrease in availability or accessibility of internet connection.