Sufficient vs. Efficient

Sufficient vs. Efficient — Is There a Difference?
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Difference Between Sufficient and Efficient

Sufficientadjective

Being as much as is needed; adequate; enough.

Efficientadjective

Acting or producing effectively with a minimum of waste, expense, or unnecessary effort

an efficient builder.an efficient factory.

Sufficientadjective

(Archaic) Competent; qualified.

Efficientadjective

Acting directly to produce an effect

the efficient cause of the revolution.

Sufficientadjective

Equal to the end proposed; adequate to what is needed; enough

We have provision sufficient for the familyThis army is sufficient to defend the country.There is not sufficient access to the internet in many small rural villages.

Efficientadjective

Causing less waste or requiring less effort than comparable devices or methods. Used in combination

energy-efficient wind turbines.cost-efficient health care.
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Sufficientadjective

Possessing adequate talents or accomplishments; of competent power or ability; qualified; fit.

A two-week training course is sufficient to get a job in the coach-driving profession.

Efficientadjective

Making good, thorough, or careful use of resources; not consuming extra. Especially, making good use of time or energy.

An efficient process would automate all the routine work.Our cleaners are almost too efficient: they throw away anything left out on a desk.

Sufficientadjective

(archaic) Capable of meeting obligations; responsible.

Efficientadjective

Expressing the proportion of consumed energy that was successfully used in a process; the ratio of useful output to total input.

The motor is only 20% efficient at that temperature.

Sufficientadjective

(obsolete) Having enough money to meet obligations and live comfortably.

Efficientadjective

Causing effects, producing results; bringing into being; initiating change. (Rare except in philosophical and legal expression efficient cause = causative factor or agent.)

Ownership, maintenance, or use of the automobile need not be the direct and efficient cause of the injury sustained
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Sufficientdeterminer

The smallest amount needed.

Sufficient of us are against this idea that we should stop now.

Efficientadjective

(proscribed, old use) Effective.

Sufficientadjective

of a quantity that can fulfill a need or requirement but without being abundant;

sufficient food

Efficientadjective

being effective without wasting time or effort or expense;

an efficient production managerefficient engines save gas

Efficientadjective

able to accomplish a purpose; functioning effectively;

people who will do nothing unless they get something out of it for themselves are often highly effective persons...effective personnelan efficient secretarythe efficient cause of the revolution