Efficient vs. Quick

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

moving fast or doing something in a short time

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

prompt to understand, think, or learn; intelligent

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

at a fast rate; quickly

Acting directly to produce an effect

the soft tender flesh below the growing part of a fingernail or toenail.

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

those who are living

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

a fast bowler.

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

Moving or functioning rapidly and energetically; speedy

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

Learning, thinking, or understanding with speed and dexterity; bright

effective, efficacious

Perceiving or responding with speed and sensitivity; keen

(obsolete) a cause; something that causes an effect

Reacting immediately and sharply

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.

Occurring, achieved, or acquired in a relatively brief period of time

An efficient cause; a prime mover.

Done or occurring immediately

being effective without wasting time or effort or expense;

Moving with speed, rapidity or swiftness, or capable of doing so; rapid; fast.

able to accomplish a purpose; functioning effectively;

Occurring in a short time; happening or done rapidly.

Lively, fast-thinking, witty, intelligent.

Mentally agile, alert, perceptive.

Of temper: easily aroused to anger; quick-tempered.

(archaic) Alive, living.

Pregnant, especially at the stage where the foetus's movements can be felt; figuratively, alive with some emotion or feeling.

Of water: flowing.

Burning, flammable, fiery.

Fresh; bracing; sharp; keen.

productive; not "dead" or barren

Quickly, in a quick manner.

Answer quickly.

Raw or sensitive flesh, especially that underneath finger and toe nails.

Plants used in making a quickset hedge

The life; the mortal point; a vital part; a part susceptible to serious injury or keen feeling.

Quitchgrass.

(cricket) A fast bowler.

(transitive) To amalgamate surfaces prior to gilding or silvering by dipping them into a solution of mercury in nitric acid.

To quicken.

Alive; living; animate; - opposed to dead or inanimate.

Characterized by life or liveliness; animated; sprightly; agile; brisk; ready.

Speedy; hasty; swift; not slow; as, be quick.

Impatient; passionate; hasty; eager; eager; sharp; unceremonious; as, a quick temper.

Fresh; bracing; sharp; keen.

Sensitive; perceptive in a high degree; ready; as, a quick ear.

Pregnant; with child.

In a quick manner; quickly; promptly; rapidly; with haste; speedily; without delay; as, run quick; get back quick.

That which is quick, or alive; a living animal or plant; especially, the hawthorn, or other plants used in making a living hedge.

The life; the mortal point; a vital part; a part susceptible of serious injury or keen feeling; the sensitive living flesh; the part of a finger or toe to which the nail is attached; the tender emotions; as, to cut a finger nail to the quick; to thrust a sword to the quick, to taunt one to the quick; - used figuratively.

Quitch grass.

To revive; to quicken; to be or become alive.

any area of the body that is highly sensitive to pain (as the flesh underneath the skin or a fingernail or toenail)

accomplished rapidly and without delay;

hurried and brief;

moving quickly and lightly;

apprehending and responding with speed and sensitivity;

performed with little or no delay;

easily aroused or excited;

with little or no delay;