Verses with the word loathsome in the Old Testament (4 verses):

Numbers 11:20
But even a whole month, until it come out at your nostrils, and it be loathsome unto you: because that ye have despised the LORD which is among you, and have wept before him, saying, Why came we forth out of Egypt?

Job 7:5
My flesh is clothed with worms and clods of dust; my skin is broken, and become loathsome.

Psalms 38:7
For my loins are filled with a loathsome disease: and there is no soundness in my flesh.

Proverbs 13:5
A righteous man hateth lying: but a wicked man is loathsome, and cometh to shame.