Longman Dictionary of Contemporary English
The Collaborative International Dictionary
Weak-minded \Weak"-mind`ed\, a. Having a weak mind, either naturally or by reason of disease; feebleminded; foolish; idiotic. -- Weak"-mind`ed*ness, n.
Wiktionary
a. 1 foolish or ignorant. 2 weak-willed; easily swayed or corrupted. 3 needy or fearful; characterized by weakness. 4 mentally deficient
Usage examples of "weak-minded".
For the picture, dashingly painted in oils, represented a comfortably plump young woman who, from her rather weak-minded simper and the fact that she wore absolutely nothing except a small dove on her left shoulder, was plainly intended to be the goddess Venus.
Somehow fainting seemed to be such a wimpish, weak-minded, feminine kind of action, one that demanded someone else take care of the actual job of rescuing her.
If a person is weak-minded and susceptible to temptation, to theft, for instance, no doubt a familiar acquaintance of a similar character might hypnotize that person and cause him to commit the crime to which his moral nature is by no means averse.
I heard Steele pronounce a fervid eulogy on those who had strengthened his hands for the fight which he knew it would shortly fall to his lot to wage against Apollyon, I did not wonder at weak-minded persons like Maria Lisle, swayed by such eloquence, setting up new standards of right and wrong for themselves.
These weak-minded beasts even got in the way of the laborers trimming branches from downed trees or scraping off bark or planing logs with stone adzes and axes.
Her uncle Luke had told them how Obi-Wan Kenobi had used Jedi mind tricks to scramble the thoughts of weak-minded Imperials.
I take from the top shelf of the hospital department of my librarythe section devoted to literary cripples, imbeciles, failures, foolish rhymesters, and silly eccentrics--one of the least conspicuous and most hopelessly feeble of the weak-minded population of that intellectual almshouse.
The sight of the weak-minded old woman, of the cowed children, and the ragged man sleeping off his liquor, made the setting of her own life seem a vision of peace and plenty.