Thesaurus

efficient

adjective

Synonym Discussion of efficient

effective, effectual, efficient, efficacious mean producing or capable of producing a result. effective stresses the actual production of or the power to produce an effect.
    • an effective rebuttal
effectual suggests the accomplishment of a desired result especially as viewed after the fact.
    • the measures to stop the pilfering proved effectual
efficient suggests an acting or a potential for action or use in such a way as to avoid loss or waste of energy in effecting, producing, or functioning.
    • an efficient small car
efficacious suggests possession of a special quality or virtue that gives effective power.
    • a detergent that is efficacious in removing grease


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