Thesaurus

day one

noun

Synonyms & Antonyms of day one

the point at which something begins
  • since day one of this project, we've always insisted that we would create the best product possible without any consideration of cost

Synonyms for day one

Words Related to day one

Near Antonyms for day one

Antonyms for day one

See the Dictionary Definition 

Keep scrolling for more

Learn More About day one

Time Traveler for day one

Time Traveler

The first known use of day one was in 1971

See more words from the same year

Thesaurus Entries Near day one

day nursery

day one

day ones

See More Nearby Entries 

Cite this Entry

“Day one.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/day%20one. Accessed 27 Sep. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

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!