1 Samuel 20:26

Saul didn't say anything that day because he told himself, "Something has happened; he's unclean; surely he's not clean."

Leviticus 15:5

Any person who touches his bed is to wash his garments and bathe with water, and he will remain unclean until evening.

Leviticus 11:24

and is unclean. Anyone who touches their carcasses becomes unclean until evening.

Leviticus 11:27

Among the animals, anything that walks on their paws and on four legs is unclean for you. Anyone who touches their carcasses becomes unclean until evening.

Leviticus 7:20-21

But the person who eats meat from the sacrifice that belongs to the LORD, while still affected by his uncleanness, is to be eliminated from contact with his people.

Leviticus 11:31

These are unclean for you among the swarming creatures, so anyone who touches them when they're dead becomes unclean until evening.

Leviticus 11:40

The one who eats from its carcass is to wash his clothes, because he has become unclean until evening. Even the one who carries the carcass is to wash his clothes, because he has become unclean until evening."

Leviticus 15:16-17

"If a man has a seminal emission, he is to bathe his entire body with water and remain unclean until evening.

Leviticus 15:19-21

"When a woman has a discharge, and the blood is her monthly menstrual discharge from her body, then for seven days she is to remain in her menstrual uncleanness. Whoever touches her will remain unclean until evening.

Numbers 19:16

Whoever is out in an open field and touches the body of someone who was killed by a sword, or a dead body, or someone's bones, or a grave, he is to be considered unclean for seven days.

1 Samuel 16:5

He said, "Peace, I've come to sacrifice to the LORD. Consecrate yourselves and come with me to the sacrifice." Samuel consecrated Jesse and his sons and invited them to the sacrifice.

Treasury of Scripture Knowledge

Summary

Nevertheless Saul spake not any thing that day: for he thought, Something hath befallen him, he is not clean; surely he is not clean.

Bible References

He is not clean

Leviticus 7:21
Any person who touches a ceremonially unclean thing whether the uncleanness pertains to human beings, animals, or to creeping things and then eats from the meat of peace offerings that belongs to the LORD is to be eliminated from contact with his people."
Leviticus 11:24
and is unclean. Anyone who touches their carcasses becomes unclean until evening.
Leviticus 15:5
Any person who touches his bed is to wash his garments and bathe with water, and he will remain unclean until evening.
Numbers 19:16
Whoever is out in an open field and touches the body of someone who was killed by a sword, or a dead body, or someone's bones, or a grave, he is to be considered unclean for seven days.

International Standard Version Copyright © 1996-2008 by the ISV Foundation.