Foolish
King James Dictionary [1]
Fool'Ish, a.
1. Void of understanding or sound judgment weak in intellect applied to general character. 2. Unwise imprudent acting without judgment or discretion in particular things. 3. Proceeding from folly, or marked with folly silly vain trifling.
But foolish questions avoid. 2 Timothy 2 .
4. Ridiculous despicable.
A foolish figure he must make.
5. In scripture, wicked sinful acting without regard to the divine law and glory, or to one's own eternal happiness.
O foolish Galatians - Galatians 3 .
6. Proceeding from depravity sinful as foolish lusts. 1 Timothy 6 .
Webster's Dictionary [2]
(1): ( a.) Absurd; ridiculous; despicable; contemptible.
(2): ( a.) Such as a fool would do; proceeding from weakness of mind or silliness; exhibiting a want of judgment or discretion; as, a foolish act.
(3): ( a.) Marked with, or exhibiting, folly; void of understanding; weak in intellect; without judgment or discretion; silly; unwise.