Pronunciation: [slˈə͡ʊd ˈʌp] (IPA) 
The correct spelling of "slowed up" is /sloʊd ʌp/. The verb "slow" is spelled with the letter "w" when it's in its past tense form "slowed". "Up" is spelled as it sounds. "Slowed up" is a common phrase used to mean a decrease in pace or speed of a particular activity. It's important to use the correct spelling to avoid confusion in written communication.
"Slowed up" refers to the act or state of reducing or decreasing the speed or pace of something or someone. It implies a deliberate or unintentional reduction of acceleration, movement, or progress.
When something or someone is "slowed up," it suggests a deceleration or decrease in speed compared to a previous or anticipated rate. This phrase can be applied to various contexts, ranging from physical movements to figurative circumstances.
In physical terms, "slowed up" may involve easing off the gas pedal while driving a vehicle, a runner decreasing their running pace, or an aircraft reducing its speed during landing. It can also be used metaphorically to describe a decrease in the intensity or activity level of any action or process. For instance, a project or production may be "slowed up" when there are delays or obstacles hindering its progress.
Additionally, "slowed up" can refer to a person's mental or cognitive state. It may describe a momentary or prolonged decrease in mental acuity or responsiveness, resulting in a delay in comprehension, decision-making, or execution of tasks.
Overall, "slowed up" encompasses the idea of intentionally or unintentionally diminishing the rate, tempo, or intensity of an action, movement, process, or mental state.
The phrase "slowed up" is not a single word but a combination of two words.
The word "slowed" is the past tense of the verb "slow", which comes from the Old English word "slaw" meaning "inactive" or "dull". Over time, it has evolved to mean "to reduce the speed of something or someone".
The word "up" in this phrase is a preposition that is often used to indicate an increase or improvement in a particular state or condition. It can also be used to indicate completion or reaching a particular point.
When combined, "slowed up" implies bringing something to a slower speed or pace, or delaying or impeding progress.
