This is the 16487th most frequent Korean word.
뻗어
"뻗어" means "stretch out" or "extend."
In this sentence, '뻗어' (stretch) describes the physical extension of tree branches.
나뭇가지가 길게 뻗어 있어요.
The tree branches stretch out long.
Here, '뻗어' implies a tired and sprawled position, illustrating exhaustion or relaxation.
아기가 피곤해서 침대 위에 뻗어 버렸어요.
The baby was tired and sprawled out on the bed.
In this case, '뻗어' describes the broad spread of a river as it flows, emphasizing its width.