Dogs in the Bible figures of speech

2 Peter 2:22
“But it is happened unto them according to the true proverb, The dog is turned to his own vomit again; and the sow that was washed to her wallowing in the mire.”

Deuteronomy 23:18
“Thou shalt not bring the hire of a whore, or the price of a dog, into the house of the LORD thy God for any vow: for even both these are abomination unto the LORD thy God.”

Psalms 22:16
“For dogs have compassed me: the assembly of the wicked have inclosed me: they pierced my hands and my feet.”

Matthew 7:6
“Give not that which is holy unto the dogs, neither cast ye your pearls before swine, lest they trample them under their feet, and turn again and rend you.”

Isaiah 56:10
“His watchmen are blind: they are all ignorant, they are all dumb dogs, they cannot bark; sleeping, lying down, loving to slumber.”