unproductiveness (n.)

• absurdity
• aimlessness
• emptiness
• fatuity
• fecklessness
• fruitlessness
• futility
• hollowness
• impotence
• inanity
• ineffectiveness
• ineffectuality
• inefficacy
• meaninglessness
• pointlessness
• purposelessness
• triviality
• unprofitability
• unprofitableness
• valuelessness
• vanity
• worthlessness