Soft; having a tender or yielding texture — not hard (often colloquial or dialectal).
このクッションは柔いので長時間座っても疲れない。
This cushion is soft, so you don't get tired even after sitting for a long time.
彼女の髪は柔くて触り心地がいい。
Her hair is soft and pleasant to the touch.
Weak; lacking strength or intensity — referring to force, will, performance, etc.
このブレーキは柔くて危ないから交換した方がいい。
These brakes are weak and dangerous; you'd better replace them.
あのエピソードは話の締めが柔くて物足りなかった。
That episode's ending was weak and felt unsatisfying.