1. the quality of being efficient; the ability to accomplish something with the least waste of time and effort
Usage: plural of efficiency
2. small apartments designed for maximum use of space
Usage: real estate; also called efficiency apartments

Examples

• The company improved its efficiencies by streamlining the production process.
• Energy efficiencies in the new building reduced operating costs significantly.
• The manager focused on identifying efficiencies in the workflow.
• Several efficiencies are available for rent near the university campus.
• The factory achieved remarkable efficiencies through automation.
• Students often live in efficiencies because they’re more affordable.
• The team’s efficiencies impressed the board of directors.