Job 5:2לֶאֱוִיל
For resentment kills a fool, and envy slays the simple.
Psalm 107:17אֱוִלִים
Fools, in their rebellious ways, and through their iniquities, suffered affliction.
Proverbs 1:7אֱוִילִים
The fear of the LORD is the beginning of knowledge, but fools despise wisdom and discipline.
Isaiah 19:11אֱוִלִים
The princes of Zoan are mere fools; Pharaoh’s wise counselors give senseless advice. How can you say to Pharaoh, “I am one of the wise, a son of eastern kings”?
Jeremiah 4:22אֱוִיל
“For My people are fools; they have not known Me. They are foolish children, without understanding. They are skilled in doing evil, but they know not how to do good.”
Hosea 9:7אֱוִיל
The days of punishment have come; the days of retribution have arrived—let Israel know it. The prophet is called a fool, and the inspired man insane, because of the greatness of your iniquity and hostility.

Brown-Driver-Briggs

אֱוִיל 26 adj. foolish

Sources: Brown-Driver-Briggs (1906, public domain) from the Open Scriptures Hebrew Lexicon (CC BY 4.0), glosses from STEPBible TBESH (CC BY 4.0); STEPBible TAHOT (Hebrew Bible, Leningrad Codex, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.