Thesaurus.com
Dictionary.com
Definitions

efficient

[ih-fish-uhnt] / ɪˈfɪʃ ənt /


Usage

What are other ways to say efficient? The adjective efficient, when applied to a person or a thing, implies the skillful use of energy or industry to accomplish desired results with little waste of effort: efficient methods; an efficient manager. Effective is applied to a person or a thing that has the power to, or which actually does, produce an effect: an effective boss, remedy, speech. Effectual is used especially of that which produces the effect desired or intended, or a decisive result: An effectual bombardment silenced the enemy. Efficacious suggests the capability of achieving a certain end: an efficacious plan, medicine. 

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As a result, the Iran war has largely neutralised the cartel's stated mission "to secure an efficient, economic and regular supply of petroleum to consumers, and a steady income to producers".

From Barron's • Jun. 7, 2026

Officials describe the update as a modernization effort intended to streamline outdated or redundant classifications and create a more efficient system for supporting service members’ religious needs.

From Salon • Jun. 6, 2026

More energy efficient TVs are also expected to help keep usage lower than in the past.

From BBC • Jun. 6, 2026

If successful, such systems could transform emergency oil spill response by converting ordinary fires into highly efficient cleanup tools.

From Science Daily • Jun. 5, 2026

Certainly rigid attention wasn’t the most efficient way to drive an automobile.

From "Cheaper by the Dozen" by Frank B. Gilbreth Jr. and Ernestine Gilbreth Carey




Vocabulary lists containing efficient


Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "efficient" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com