Thesaurus

efficient

adjective

Synonyms and Antonyms of efficient

producing or capable of producing a desired result

that manual lawn mower is not a very efficient tool for doing a huge yard

Synonyms of efficient

effective, effectual, efficacious, fruitful, operative, potent, productive

Words Related to efficient

hyperefficient, ultraefficient

adequate, capable, competent

accomplished, adept, consummate, experienced, expert, masterly, practiced (also practised), proficient, skilled, skillful, versed, veteran, virtuoso

cogent, convincing, killer, sound, striking, telling, valid

active, dynamic

useful, working

applicable, feasible, functional, practicable, practical, realizable, usable (also useable), workable

Near Antonyms of efficient

counterproductive

incapable, incompetent, inexperienced, inexpert, unqualified, unseasoned, unskilled, unskillful

abortive, bootless, futile, vain

empty, hollow, idle, pointless, unavailing, unprofitable, unsuccessful

inoperative, worthless

Antonyms of efficient

fruitless, ineffective, ineffectual, inefficient, inoperative, unfruitful, unproductive, useless

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

Learn More about efficient

See words that rhyme with efficient Dictionary: Definition of efficient Spanish Central: Translation of efficient Nglish: Translation of efficient for Spanish speakers Britannica English: Translation of efficient for Arabic speakers

Seen and Heard

What made you want to look up efficient? Please tell us where you read or heard it (including the quote, if possible).

show comments

WORD OF THE DAY

hamartia

a flaw that causes the downfall of a hero

Words at Play

Ask the Editors

Word Games