“That might have been weak-mindedness,” said the Old Maid, which sounded ambiguous.
But an unequal partition from angry impulse, or weak-mindedness, has no validity.
As Wordsworth has it, "Brook no continuance of weak-mindedness!"
Max walked with drooping tail, and Brenda was whining softly to herself from sheer weariness and weak-mindedness.
The Archduke was sullen enough ...