'Sadness' in the Bible

And the king said to me, Why is thy face sad, seeing thou art not sick? this is nothing else but sadness of heart. And I was very sore afraid.

I behaved myself as though he had been a friend, a brother to me; I bowed down in sadness, as one that mourneth for a mother.

My soul melteth for sadness: strengthen me according to thy word.

Even in laughter the heart is sorrowful, and the end of mirth is sadness.

Vexation is better than laughter; for by the sadness of the countenance the heart is made better.

But I will distress Ariel, and there shall be sorrow and sadness; and it shall be unto me as an Ariel.

My comfort in my sadness! my heart is faint in me!