'Bitter' in the Bible

Ah! Those who call evil good and good evil, those who put darkness for light and light for darkness, those who put bitter for sweet and sweet for bitter!

They do not drink wine with song; strong drink is bitter to those who drink it.

Look! Bitterness was bitter to me for peace. And you were the one who loved my life from [the] pit of destruction, for you have cast all my sins behind your back.