1. the quality or state of being without a sound basis or logical foundation; lack of substance or validity
Usage: abstract noun; often used to criticize arguments, claims, or reasoning
2. the quality of being aimless, purposeless, or ineffectual
Usage: often describes actions, efforts, or behavior lacking direction or meaningful outcome

Examples

• The footlessness of his argument became apparent when he could not provide any evidence.
• Critics pointed out the footlessness of the policy, which had no clear objectives.
• Her footlessness in pursuing the project frustrated her colleagues.
• The footlessness of their efforts to solve the problem without proper planning was evident.
• He dismissed the theory as pure footlessness lacking any empirical support.
• The footlessness of wandering without a destination eventually wore on him.