He is not clean; surely he is not clean— See Leviticus 15:16. Houbigant renders this; because, possibly, being unclean, he hath not purified himself: following the LXX. The other versions vary greatly.
Related Commentaries of 1 Samuel 20:26
1 Samuel 20:26
26 Nevertheless Saul spake not any thing that day: for he thought, Something hath befallen him, he is not clean; surely he is not clean.