Pronunciation: [spˈɛd] (IPA) 
The word "sped" is a past tense form of "speed." It is pronounced as /spɛd/, with the "e" sound in "bed" and the "d" sound pronounced as a soft tap or flap against the roof of the mouth. This spelling is consistent with the convention of adding "-ed" to the base form of regular verbs to form the past tense. Correct spelling is important in written communication, as it ensures clarity and accuracy of meaning.
Sped is the past tense and past participle form of the verb "speed." The term "speed" is a verb that primarily means to move or travel quickly, or to operate or proceed at a faster rate. When used in the past tense, "sped" indicates that the action of moving or operating at a higher velocity has already taken place.
In the context of velocity, to speed refers to the act of going fast or increasing one's pace. It can imply traveling swiftly by any means, such as driving a vehicle, running, flying, or riding a bicycle. Additionally, it can mean performing an action swiftly or expeditiously, like finishing a task rapidly or swiftly completing a process.
Beyond its connection to physical motion, "speed" can also describe efficiency, promptness, or quickness of action. In this sense, to speed can mean to facilitate or accelerate a process or operation, allowing it to be performed rapidly. Furthermore, it can denote the action of hurrying or rushing through something to complete it faster.
Moreover, the term "sped" can be used figuratively to suggest the rapid progress or advancement of an event, situation, or time span. It can convey the notion of something occurring swiftly, progressing at an intense pace, or reaching a conclusion or result quicker than anticipated.
Overall, "sped" is the past tense form of "speed" and represents the action of moving quickly, operating at a higher velocity, or accomplishing tasks with speed and efficiency.
• Of the v. speed, which see.
• Did speed.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
* The statistics data for these misspellings percentages are collected from over 15,411,110 spell check sessions on www.spellchecker.net from Jan 2010 - Jun 2012.
The word "sped" is derived from the Old English verb "speden" or "spedan", which means "to prosper" or "to succeed". It has roots in Germanic languages, specifically from the Proto-Germanic word "spōdijaną". Over time, the meaning of "sped" evolved to also include the sense of moving quickly or with great velocity, which is the modern-day understanding of the term.
