G0801–ἀσύνετος–asunetos

"Are even you," He answered, "still without intellingence?

ἀσύνετοί asunetoi “without understanding”

"Have *you* also so little understanding?" He replied; "do you not understand that anything whatever that enters a man from outside cannot make him unclean,

ἀσύνετοί asunetoi “without understanding”

For when they had come to know God, they did not give Him glory as God nor render Him thanks, but they became absorbed in useless discussions, and their senseless minds were darkened.

ἀσύνετος asunetos “foolish”

faithless to their promises, without natural affection, without human pity.

ἀσυνέτους, asunetous “foolish,”

But again, did Israel fail to understand? Listen to Moses first. He says, "I will fire you with jealousy against a nation which is no nation, and with fury against a nation devoid of understanding."

ἀσυνέτῳ asunetō “without understanding”