Efficient vs. Proficient

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

Proficientadjective

Good at something; skilled; fluent; practiced, especially in relation to a task or skill.

Proficientnoun

An expert.

Proficientnoun

One who has made considerable advances in any business, art, science, or branch of learning; an expert; an adept; as, proficient in a trade; a proficient in mathematics, music, etc.

Proficientadjective

Well advanced in any branch of knowledge or skill; possessed of considerable acquirements; well-skilled; versed; adept,

Proficientadjective

having or showing knowledge and skill and aptitude;

Proficientadjective

competent or skilled in doing or using something

Proficientnoun

a person who is proficient