the act of starting a new operation or practice
"he opposed the inauguration of fluoridation"
"the startup of the new factory was delayed by strikes"
The act or process of starting a process or machine.
"The old mountain guide wore a well-worn startup to trek through the deep snow."
A kind of high-low or thigh-high boot worn by rustic people.
In plain English: A startup is a new business that just started and is trying to grow quickly by selling something people want.
"She is planning to sell her new startup soon after securing venture capital funding."
Usage: Use this word to describe the initial phase when launching a new business, not as an alternative for "boot" which refers to footwear. It is most commonly paired with verbs like launch or found in phrases such as startup company.
The word startup is a compound formed from the words start and up. It entered English as a noun to describe a newly established business venture.