pre·​ex·​ist | \ ˌprē-ig-ˈzist How to pronounce preexist (audio) \
preexisted; preexisting; preexists

Definition of preexist

intransitive verb

: to exist earlier or before

Keep scrolling for more

Synonyms & Antonyms for preexist


antecede, antedate, forego, precede, predate


follow, postdate, succeed

Visit the Thesaurus for More 

Examples of preexist in a Sentence

an advanced Mesoamerican civilization whose apex and collapse preexisted the arrival of Europeans by hundreds of years

Recent Examples on the Web

Likewise, Trump came promising to kill the Affordable Care Act, but a whole lot of Congressional Republicans ran in the recent midterm elections promising to keep preexisting conditions protections and Medicaid expansions. Robert Sullivan, Vogue, "Political Division? That’s Nothing New," 7 Mar. 2019 Yet the health care bill Republicans proposed was projected to leave millions fewer people with health insurance while also rolling back protections for preexisting conditions and increasing premiums and out-of-pocket costs for many people. Dylan Scott, Vox, "The suburbs abandoned Republicans in 2018, and they might not be coming back.," 26 Dec. 2018 The remainder will be spread out between family support services and preexisting programs, including the Community Empowered Disposition Alternative and Resolution (CEDAR) program. Marcus Harrison Green, The Seattle Times, "Constantine unveils proposed $4 million budget for his Roadmap to Zero Youth Detention," 19 Sep. 2018 Chatbots trained on human data slide into racist diatribes, while A.I. hiring managers organically develop wildly sexist worldviews based on preexisting data. Kevin Dupzyk, Popular Mechanics, "How 'Ex Machina' Foresaw the Weaponization of Data," 16 Jan. 2019 Donnelly leaned hard into the law’s protections for preexisting conditions, like other centrist Democrats who were running in Trump-friendly states, and attacked Braun for the GOP’s decade-long quest to roll back the health care law. Dylan Scott, Vox, "Mike Braun elected to US Senate: Republican wins Indiana race over centrist Democrat," 7 Nov. 2018 Fifteen healthy adults agreed to have their guts and stool probed for preexisting microbes before entering the trial. Beth Mole, Ars Technica, "Probiotics: If you don’t just poop them out, they may muck up your guts," 8 Sep. 2018 But women without preexisting congressional ties gradually won more seats. David Johnson, Time, "This Map Shows When Each State First Elected a Woman to Congress," 26 June 2018 For one thing, the health law’s preexisting condition protections are among its most popular parts, according to public opinion polls. Julie Rovner, Washington Post, "Democrats Rally Against Threats To The ACA To Block Trump’s Supreme Court Nominee," 10 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'preexist.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of preexist

1599, in the meaning defined at intransitive sense

Keep scrolling for more

Learn More about preexist

Statistics for preexist

Last Updated

6 Apr 2019

Look-up Popularity

Time Traveler for preexist

The first known use of preexist was in 1599

See more words from the same year

More from Merriam-Webster on preexist

Rhyming Dictionary: Words that rhyme with preexist

Thesaurus: All synonyms and antonyms for preexist

Comments on preexist

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


to move or proceed with twists and turns

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Latin Quiz

  • roman forum
  • Which of the following months comes from a Latin word for “ten”?
True or False

Test your knowledge - and maybe learn something along the way.

Word Winder's CrossWinder

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

Love words? Need even more definitions?

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