מָאַר mâʼar

Hebrew · Strong's H3992 · pronounced maw-ar' · used 4 times in 4 verses

Meaning

to be bitter or (causatively) to embitter, i.e. be painful

In the King James Version: fretting, picking.

Derivation: a primitive root;

Leviticus 13:51 On the seventh day the priest shall reexamine it, and if the mildew has spread in the fabric, weave, knit, or leather, then regardless of how it is used, it is a harmful mildew; the article is unclean.
Leviticus 13:52 He is to burn the fabric, weave, or knit, whether the contaminated item is wool or linen or leather. Since the mildew is harmful, the article must be burned up.
Leviticus 14:44 the priest must come and inspect it. If the mildew has spread in the house, it is a destructive mildew; the house is unclean.
Ezekiel 28:24 For the people of Israel will no longer face a pricking brier or a painful thorn from all around them who treat them with contempt. Then they will know that I am the Lord GOD.’