efficiency

As nouns the difference between efficiency and null

is that efficiency is the extent to which time is well used for the intended task while null is zero, nil; the cardinal number before einn.

As nouns the difference between validity and efficiency

is that validity is the state of being valid, authentic or genuine while efficiency is the extent to which time is well used for the intended task.

In lang=en terms the difference between speed and efficiency

is that speed is any amphetamine drug used as a stimulant, especially illegally, especially methamphetamine while efficiency is the quality of producing an effect or effects.

As nouns the difference between speed and efficiency

is that speed is the state of moving quickly or the capacity for rapid motion; rapidity while efficiency is the extent to which time is well used for the intended task.

As a verb speed

is to succeed; to prosper, be lucky.

As a proper noun Speed

is {{surname|from=nicknames}.

As nouns the difference between efficiency and underutilization

is that efficiency is the extent to which time is well used for the intended task while underutilization is the state of being underutilized.

As nouns the difference between cop and efficiency

is that cop is a spider while efficiency is the extent to which time is well used for the intended task.

As a verb cop

is to obtain, to purchase (as in drugs), to get hold of, to take.

As nouns the difference between haste and efficiency

is that haste is speed; swiftness; dispatch while efficiency is the extent to which time is well used for the intended task.

As a verb haste

is to urge onward; to hasten.

As nouns the difference between timeliness and efficiency

is that timeliness is the state of being timely while efficiency is the extent to which time is well used for the intended task.

As nouns the difference between insufficiency and efficiency

is that insufficiency is the lack of sufficiency; a shortage or inadequacy while efficiency is the extent to which time is well used for the intended task.

As nouns the difference between efficiency and utilisation

is that efficiency is the extent to which time is well used for the intended task while utilisation is the act of using something.

As nouns the difference between swim and efficiency

is that swim is an act or instance of swimming while efficiency is the extent to which time is well used for the intended task.

As a verb swim

is to float.

As an initialism SWIM

is {{cx|internet|lang=en}} Someone who isn't me; someone who isn't myself.