most efficient

ADJECTIVE

adept, effective

Synonyms

STRONGEST

able active adequate capable competent decisive dynamic economical energetic potent powerful productive profitable skilled skillful tough useful valuable

WEAK

accomplished adapted apt businesslike clever conducive deft economic effectual efficacious equal to experienced expert familiar with fitted good at good for handy masterly organized practiced proficient qualified ready saving shrewd systematic talented virtuous well-organized

Antonyms

STRONGEST

delicate fragile idle impotent inactive inadequate incapable incompetent ineffective inept lazy sluggish unable unskilled unskillful useless weak worthless

WEAK

helpless inefficient powerless

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.

See Examples For:

most efficient

In the U.S., through assets on Long Island and in upstate New York and Massachusetts, National Grid has “done a remarkable job in being one of the most efficient companies in the sector.”

From MarketWatch ● Aug. 11, 2026

"At the moment what we want to focus on is ensuring that the system we have works in the most efficient way possible," she said.

From BBC ● Aug. 3, 2026

Combined-cycle plants, which are a grid workhorse and the most efficient gas plant, capture waste heat from turbines to generate more electricity.

From The Wall Street Journal ● Jul. 24, 2026

The models were doing exactly what they were supposed to do: going for the desired result with 100% effort, in the way it deemed most efficient.

From Los Angeles Times ● Jul. 23, 2026

“The Palmer method has been proved to be the most efficient system.”

From "Homesick" by Jean Fritz