Efficient: meaning, definitions and examples

Use when you want to describe doing something in the best possible way with the least waste of time and resources.

• The new software makes the billing process more efficient
• Sarah is very efficient in managing her team

Use when you want to describe something that achieves a desired result or goal.

• The medicine is effective against the flu
• Her speech was very effective in motivating the team

Use when describing someone or something that produces a lot or achieves a lot, often within a certain period.

• The team had a productive meeting and made several decisions
• He is one of the most productive employees in the company

Use when describing someone who has the ability or qualities necessary to do something well.

• John is a capable engineer who can solve difficult problems
• This task requires a capable manager

Use when describing someone who is qualified and able to do a job or task to a satisfactory level.

• The employee is competent in handling customer complaints
• She has proven to be a competent and reliable worker

When describing something that uses resources, time, or energy without waste.

• The new engine is very efficient and saves a lot of fuel

When describing products or practices that have minimal impact on the environment.

• She always buys eco-friendly cleaning products

When describing practices that meet current needs without compromising the ability of future generations to meet theirs.

• We need more sustainable farming practices to protect our planet

Often used informally to describe activities, products, or technologies that are good for the environment.

• Green energy sources like wind and solar power are becoming more popular

Similar to eco-friendly, it describes things that do not harm the environment.

• Switching to an environmentally friendly car can reduce your carbon footprint

Best used when describing processes or actions that achieve maximum productivity with minimum wasted effort or expense.

• The new software makes the team more efficient in completing their tasks

Best used when discussing the degree to which something is successful in producing a desired result.

• The effectiveness of the new marketing strategy is evident in the increased sales

Best used when measuring the efficiency of production, often in terms of output per unit of input.

• Boosting employee morale can lead to higher productivity

Best used when evaluating how well a person, machine, or system functions or performs its role.

• Regular training can significantly improve employee performance

Best used when referring to the amount of something produced by a person, machine, or industry.

• The factory's output has doubled since the introduction of automated machines