1. the quality or state of being unable to produce the desired or intended effect; lack of effectiveness
Usage: abstract noun; typically uncountable

Examples

• The ineffectualness of the old marketing strategy became clear when sales continued to decline.
• Critics pointed to the ineffectualness of the government's response to the crisis.
• Despite his good intentions, the ineffectualness of his efforts frustrated both him and his team.
• The ineffectualness of the medication led doctors to prescribe an alternative treatment.
• She grew tired of the ineffectualness of their repeated attempts to solve the problem.
• The ineffectualness of the security measures prompted a complete system overhaul.