ad infinitum

adverb or adjective
ad in·fi·ni·tum | \ˌad-ˌin-fə-ˈnī-təm also ˌäd- \

Definition of ad infinitum 

: without end or limit

Examples of ad infinitum in a Sentence

Recent Examples on the Web

Wimbledon doesn't use tiebreakers in the fifth set for men, or third set for women, so there's nothing to prevent a match from continuing ad infinitum. Howard Fendrich,, "Illinois alumnus Kevin Anderson beats John Isner in longest semifinal in Wimbledon history," 13 July 2018 But, at least historically, with the bigger rockets, people haven't been willing to sit around ad infinitum to go ad astra. Sarah Scoles, WIRED, "Never Prebook Your Return Flight From a Rocket Launch," 6 July 2018 That is what's missing from other fictional characters with OCD: bad thoughts that dovetail into more bad thoughts ad infinitum. Stacey Grant, Seventeen, "An Open Letter to John Green about OCD Portrayal in "Turtles All the Way Down"," 19 Oct. 2017 Could the result be that real-life models and influencers become obsolete, or will their likenesses be frozen in time and replicated ad infinitum? Emilia Petrarca, The Cut, "Body Con Job," 11 May 2018 Ethiopians seemed to circle Americans, who seemed to circle Ethiopians, who seemed to circle Americans, ad infinitum, on my walks back and forth, to and from the bus stop, the convenience store, the laundromat. Emily St. John Mandel, New York Times, "The Mysterious ‘Parking Lot Attendant’ at the Center of a Web of Intrigue," 4 May 2018 The economic consequences of our changing buying habits have been debated ad infinitum. Ron Grossman,, "Even Socrates may have mourned the closing of Toys R Us," 26 Mar. 2018 Absent an injunction, Redbox will continue to sell Codes for Disney’s next Combo Pack release (Black Panther) and releases after that ad infinitum. Eriq Gardner, The Hollywood Reporter, "Disney Looks to Stop Redbox From Selling 'Black Panther' Download Codes," 9 Apr. 2018 One of the highlights of the show is its recreated Hall of Mirrors, which is sure to become an Internet sensation that will cast reflections, ad infinitum, on social media platforms. Vogue, "19 Runway Looks That Would’ve Fit Right In at Versailles," 9 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ad infinitum.' 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 ad infinitum

1581, in the meaning defined above

History and Etymology for ad infinitum

borrowed from Latin ad infīnītum

Keep scrolling for more

Learn More about ad infinitum

Share ad infinitum

Dictionary Entries near ad infinitum



ad ignorantiam

ad infinitum



ad int

Statistics for ad infinitum

Look-up Popularity

Time Traveler for ad infinitum

The first known use of ad infinitum was in 1581

See more words from the same year

Keep scrolling for more

More Definitions for ad infinitum

ad infinitum


English Language Learners Definition of ad infinitum

: without an end or limit

Keep scrolling for more

Comments on ad infinitum

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


to teach someone the beliefs of a group

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?


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!