Thesaurus:efficient

Thesaurus:efficient

THESAURUS

efficient

English

Synonyms

• economical

• efficacious

• efficient

• potent

Antonyms

• inefficient

• prodigal    [WS]

• uneconomical

Hyponyms

• cost-effective

• energy-efficient

• energy-saving

• frugal    [WS]

• fuel-efficient

• laboursaving

•   —

• businesslike

• well-oiled (idiomatic)

Various

• potency

• one fell swoop

• kill two birds with one stone

See also

• Thesaurus:skill
• Thesaurus:skillful
• Thesaurus:excellent

Further reading

• “817. economy” in Roget's Thesaurus, T. Y. Crowell Co., 1911.
• “efficient” in Moby Thesaurus II, Grady Ward, 1996.