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, in the meaning defined at sense 1

Keep scrolling for more

Learn More about start-up

Statistics for start-up

Look-up Popularity

Time Traveler for start-up

The first known use of start-up was in 1845

See more words from the same year

Keep scrolling for more

More Definitions for start-up

start-up

noun

English Language Learners Definition of start-up

: a new business

More from Merriam-Webster on start-up

See words that rhyme with start-up

Spanish Central: Translation of start-up

Comments on start-up

What made you want to look up start-up? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

lying above or upon

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!