start-up

noun, often attributive \ ˈstärt-ˌəp \
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


START-UP Defined for English Language Learners

start-up

noun

Definition of start-up for English Language Learners

  • : a new business


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