Reading Theme:
Efficient: Definition, Examples, and Usage Tips (2 meaning)
Meaning 1：productive and waste-free (efficient)
efficient
/ɪˈfɪʃənt/
adj.
working in a way that gets things done quickly and well, without waste.
productive and waste-free
➕
/prəˈdʌktɪv ænd weɪst friː/
adj.
Describes a method, system, or device that achieves maximum output with minimum wasted effort or resources.
📘 Details & Usage
📖 Root Explanation
ex- (out) + fic (do) + -ient => achieving results effectively.
💡 Mnemonic
EFFIcient: imagine an 'EFF'ortless machine that 'CI'ntinues working perfectly.
📖 Example
Switching to LED lights is a very efficient way to reduce our electricity bill.
Switching to LED lights is a very efficient way to reduce our electricity bill.
🔗 Collocations
efficient method – a technique that uses minimal resources to achieve goals
efficient use – the optimal application of time, energy, or materials
fuel-efficient – consuming little fuel relative to distance or work done
🔄 Synonyms
effective (adj.) – producing the desired result, but not necessarily with minimal waste
productive (adj.) – yielding a large amount of output relative to input
economical (adj.) – avoiding waste or extravagance in spending or resources
🚫 Antonyms
inefficient (adj.) – wasting time, energy, or resources in operation
wasteful (adj.) – using more resources than necessary
unproductive (adj.) – not yielding the intended results
🌱 Derivatives
efficiency (n.) – the state of being efficient
efficiently (adv.) – in an efficient manner
📖 Cultural Story
From Latin 'efficere' (to accomplish), combining 'ex' (out) and 'facere' (to do). The sense of 'producing results with minimal waste' emerged in the 18th century.
Meaning 2：quick and capable (efficient)
efficient
/ɪˈfɪʃənt/
adj.
able to do a job or task quickly and well.
quick and capable
➕
/kwɪk ænd ˈkeɪpəbəl/
adj.
Describes a person who performs tasks rapidly and competently, with minimal wasted time or effort.
📘 Details & Usage
📖 Example
Our new project manager is incredibly efficient; she organized the entire event in just two days.
Our new project manager is incredibly efficient; she organized the entire event in just two days.
🔗 Collocations
efficient worker – an employee who completes tasks quickly and accurately
efficient system – an organized procedure that reduces delays
time-efficient – designed to save time
🔄 Synonyms
competent (adj.) – having the necessary skill or knowledge to do something well
capable (adj.) – having the ability or potential to perform effectively
proficient (adj.) – highly skilled and competent in a particular area
🚫 Antonyms
incompetent (adj.) – lacking the necessary skill or ability
ineffective (adj.) – not producing the desired effect
sluggish (adj.) – slow to respond or make progress
🌱 Derivatives
efficiency (n.) – the quality of being efficient, especially in work
efficiently (adv.) – in a way that achieves maximum productivity with minimum waste
Wordbook
Your data is saved in this browser