Quickest vs. Fastest — What's the Difference?

Moving or functioning rapidly and energetically; speedy

Fastest is a model-based testing tool that works with specifications written in the Z notation. The tool implements (Cristia & Rodriguez Monetti 2009) the Test Template Framework (TTF) proposed by Phil Stocks and David Carrington in (Stocks & Carrington 1996).

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

Acting, moving, or capable of acting or moving quickly; swift.

Perceiving or responding with speed and sensitivity; keen

Accomplished in relatively little time

Reacting immediately and sharply

Acquired quickly with little effort and sometimes unscrupulously

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

Quick to understand or learn; mentally agile

Done or occurring immediately

Indicating a time somewhat ahead of the actual time

Most quickly

Allowing rapid movement or action

Designed for or compatible with a short exposure time

Disposed to dissipation; wild

Flouting conventional moral standards; sexually promiscuous.

Resistant, as to destruction or fading

Firmly fixed or fastened

Fixed firmly in place; secure

Lasting; permanent

Deep; sound

In a secure manner; tightly

To a sound degree; deeply

In a rapid manner; quickly.

In quick succession

Ahead of the correct or expected time

In a dissipated, immoderate way

(Archaic) Close by; near.

Most quickly