Efficient vs. Effective

Efficientadjective

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

Efficientadjective

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

Efficientadjective

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

Efficientadjective

(proscribed, old use) Effective.

Efficientadjective

Causing effects; producing results; that makes the effect to be what it is; actively operative; not inactive, slack, or incapable; characterized by energetic and useful activity; as, an efficient officer, power.

Efficientnoun

An efficient cause; a prime mover.

Efficientadjective

being effective without wasting time or effort or expense;

Efficientadjective

able to accomplish a purpose; functioning effectively;

Efficientadjective

(of a system or machine) achieving maximum productivity with minimum wasted effort or expense

Efficientadjective

preventing the wasteful use of a particular resource

Efficientadjective

(of a person) working in a well-organized and competent way

Effectiveadjective

Having the power to produce a required effect or effects.

Effectiveadjective

Producing a decided or decisive effect.

Effectiveadjective

Efficient, serviceable, or operative, available for useful work.

Effectiveadjective

Actually in effect.

Effectiveadjective

Having no negative coefficients.

Effectiveadjective

Having the power to produce an effect or effects; producing a decided or decisive effect; efficient; serviceable; operative; as, an effective force, remedy, speech; the effective men in a regiment.

Effectivenoun

That which produces a given effect; a cause.

Effectivenoun

One who is capable of active service.

Effectivenoun

Specie or coin, as distinguished from paper currency; - a term used in many parts of Europe.

Effectivenoun

The serviceable soldiers in a country; an army or any military body, collectively; as, France's effective.

Effectiveadjective

producing or capable of producing an intended result or having a striking effect;

Effectiveadjective

able to accomplish a purpose; functioning effectively;

Effectiveadjective

works well as a means or remedy;

Effectiveadjective

exerting force or influence;

Effectiveadjective

existing in fact; not theoretical; real;

Effectiveadjective

equipped and ready for service;