1. the quality or state of being useless; lack of usefulness or value

Examples

• The uselessness of the broken calculator frustrated the students.
• She felt a sense of uselessness after losing her job.
• The committee discussed the uselessness of the outdated policy.
• His uselessness in the kitchen was legendary among his friends.
• The uselessness of arguing with him became apparent quickly.
• They questioned the uselessness of the expensive equipment that never worked.