start-up

noun, often attributive
\ ˈstärt-ˌəp How to pronounce start-up (audio) \
variants: or startup

Definition of start-up

1 : the act or an instance of setting in operation or motion
2 : a fledgling business enterprise

First Known Use of start-up

1845, in the meaning defined at sense 1

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The first known use of start-up was in 1845

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Cite this Entry

“Start-up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/start-up. Accessed 6 May. 2021.

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More Definitions for start-up

start-up

noun

English Language Learners Definition of start-up

: a new business

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