1. in a way that wastes time, energy, or resources; not achieving maximum productivity

Examples

• The old computer runs inefficiently and slows down our work.
• She managed her time inefficiently, leaving important tasks until the last minute.
• The factory operated inefficiently, using too much energy for minimal output.
• He studied inefficiently by trying to memorize everything without understanding.
• The heating system works inefficiently, wasting electricity and money.
• The team communicated inefficiently, leading to confusion and delays.