To starve or be famished — to be extremely hungry, often to the point of weakness.
戦争で多くの人が食糧不足で飢えている。
Many people are starving due to food shortages caused by the war.
山で遭難して数日間飢えた経験がある。
I was stranded in the mountains and went without food for several days.
子どもたちが飢えないように支援を行っている。
We are providing aid so that children do not go hungry.
To crave or be starved of something metaphorically — e.g., to be hungry for love, knowledge, recognition.
彼は人からの注目に飢えているように見える。
He seems to be hungry for attention from others.
知識に飢える学生は毎日図書館に通う。
Students hungry for knowledge go to the library every day.
愛に飢えていた彼女は、すぐに誰かと親しくなった。
She, starved for love, quickly became close to someone.