Pronunciation: [fˈʊl spˈiːd] (IPA) 
The phrase "full speed" is spelled with the IPA transcription /fʊl spid/. The word "full" is pronounced with a short U sound followed by a double L, whereas "speed" is pronounced with a long E sound and a silent D at the end. Therefore, the correct spelling of the phrase is "full speed", not "fulls peed" or "ful sped". It is important to use the proper spelling to avoid confusion and ensure effective communication.
Full speed refers to the maximum or fastest rate at which something can be done or achieved. It describes the highest level of speed, intensity, or activity that can be reached in a particular context. The term often implies a sense of urgency, efficiency, or striving for optimal performance.
In a physical sense, full speed relates to the highest velocity at which an object can move or travel. It signifies the fastest rate of movement achievable, typically involving the utilization of all available power or resources. It implies a rapid or swift pace, often associated with momentum and dynamism.
Full speed can also be used in a metaphorical sense to describe the maximum level of effort, engagement, or concentration that someone can invest in a task or activity. It suggests a complete dedication and commitment to achieving a particular objective, often emphasizing a sense of fervor, enthusiasm, or steadfastness.
Additionally, full speed can represent the culmination of a process or endeavor, indicating the point at which it is running at its peak or optimal level. It implies a successful or efficient outcome, where all elements or components are functioning at their highest capacity or capability.
Overall, the term full speed encapsulates the notion of maximum velocity, intensity, or effectiveness across various contexts, encompassing both physical and metaphorical dimensions.
The etymology of the word "full speed" can be understood by breaking it down into its individual components:
1. Full: The word "full" is derived from the Old English "full", which meant "complete" or "entire". It ultimately traces back to the Proto-Germanic word "fullaz" meaning "full" or "plenty". The sense of "full" in the context of "full speed" refers to something being at its maximum or highest level.
2. Speed: The term "speed" has its roots in the Old English word "spēd", which denoted "success" or "prosperity". It can be linked to the Proto-Germanic word "spōdiz", meaning "to prosper" or "to succeed".
