ul·​tra | \ˈəl-trə \

Definition of ultra 

(Entry 1 of 3)

: going beyond others or beyond due limit : extreme



Definition of ultra (Entry 2 of 3)

: one that is ultra : extremist



Definition of ultra- (Entry 3 of 3)

1 : beyond in space : on the other side : trans- ultraviolet

2 : beyond the range or limits of : transcending : super- ultramicroscopic

3 : beyond what is ordinary, proper, or moderate : excessively : extremely ultramodern

Keep scrolling for more

Examples of ultra in a Sentence


espouses a kind of ultra conservatism that even some members of his own party cannot support

Recent Examples on the Web: Adjective

That being said, the scene my imagination dreams up of an ultra-competitive Markle actively suppressing some urge to demolish Queen Elizabeth at charades is amazing. Christopher Rosa, Glamour, "Meghan Markle Was Reportedly Asked to Do One Thing to Avoid Upsetting the Queen at Christmas," 25 Nov. 2018 That honor goes to the $2,700 Samsung W2019, which, believe it or not, is a dual-screen flip phone with flagship specs and some ultra-luxury add-ons like a Samsung concierge service. Ron Amadeo, Ars Technica, "Samsung’s foldable smartphone reportedly costs $1,770, launches in March," 12 Nov. 2018 Hairstylists and colorist all around the world had their salons stocked up with ultra-long extensions and shelves piled high with purple toner to get that blonde shade just right. Madisen Theobald, Allure, "The Top Global Hair Trends In 2018, According to Pinterest," 25 Aug. 2018 Her pride in what her father achieved as a king of an ultra-competitive market is easy to see. Julie Hinds, Detroit Free Press, "Father-daughter media favorites, Dick and JoAnne Purtan, bond over radio," 17 June 2018 To celebrate the Heavenly Bodies: Fashion and the Catholic Imagination theme, Sanders debuted an ultra-long blonde braid with real (!) red roses pinned throughout. Jenna Rosenstein, Harper's BAZAAR, "Jasmine Sanders Just Wore the Most Insane Braid On the Met Gala Red Carpet," 7 May 2018 In the ultra-competitive world of journalism, Charlie made everybody slow down a bit and just appreciate what was going on, appreciate the camaraderie. Kevin Cullen, BostonGlobe.com, "Charlie Austin was the nicest guy in a competitive business," 11 Apr. 2018 These products will hydrate even my ultra-parched skin for way less. Ella Cerón, Teen Vogue, "How to Fight Acne and Dry Skin in Winter," 13 Nov. 2018 The first of the series is 650 square feet, but the homes can range from an ultra-tiny 250 square feet to a more spacious 1,200 square feet. Liz Stinson, Curbed, "Yves Béhar debuts a line of prefab homes," 2 Nov. 2018

Recent Examples on the Web: Noun

It’s pared down from vests built for ultras, which require the runner to carry more gear than an OCR, without compromising on features. Ariella Gintzler, Outside Online, "Testing Ultimate Direction’s New OCR Vest," 12 July 2018 The ultras did themselves no favours by failing to suggest their own solutions to the complex problems that the Chequers compromise took on. The Economist, "What doesn’t kill her makes Theresa May stronger," 12 July 2018 But ahead of the World Cup, Russian law enforcement has detained leaders of hooligan groups, known as ultras, and pushed many of their members out of Russia’s World Cup cities for the extent of the tournament. Thomas Grove, WSJ, "Russia Gives Soccer Hooligans the Boot at World Cup," 4 July 2018 Among the scores of ultras now filling the calendar, some make use of long, flat tracks to encourage speed. David Wharton, latimes.com, "Ultra running can mean extreme heat, mountain climbs and, oh yeah, look out for those trees," 14 June 2018 The group’s leader, Fernando Madureira, confirmed by text message that his cohort had seen a YouTube clip of Napoli’s ultras in action and decided to borrow the tune. Rory Smith, New York Times, "How an Italian Disco Hit Became Liverpool’s Champions League Anthem," 23 May 2018 Starting in the summer over a huge contract dispute, the stopper received abuse from Italy fans during one match in particular, during which ultras threw fake money at the youngster. SI.com, "Gianluigi Donnarumma's Agent Hints at Summer Departure With Pepe Reina Set to Replace the Italian," 21 Mar. 2018 But this is the first prospective study to assess a person’s cancer risk alongside their ultra processed foods habit, and way more research needs to be done before any definitive conclusions can be made, says Srour. Korin Miller, SELF, "What Are 'Ultra-Processed' Foods Exactly?," 2 Mar. 2018 That’s a question Second Amendment ultras never answer. Ed Kilgore, Daily Intelligencer, "Do We Need Assault Weapons in Case We Decide to Kill ‘Tyrannical’ Cops and Soldiers?," 22 Feb. 2018

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


1818, in the meaning defined above


1819, in the meaning defined above

History and Etymology for ultra






Latin, from ultra beyond, adverb & preposition, from *ulter situated beyond — more at ulterior

Keep scrolling for more

Learn More about ultra

Statistics for ultra

Last Updated

5 Dec 2018

Look-up Popularity

Time Traveler for ultra

The first known use of ultra was in 1818

See more words from the same year

Keep scrolling for more

More Definitions for ultra



English Language Learners Definition of ultra-

: beyond : extremely : more than is usual

: beyond the range or limits of


ul·​tra | \ˈəl-trə \

Kids Definition of ultra

: extreme entry 1 sense 1 ultra plush chair



Kids Definition of ultra-

1 : beyond in space : on the other side ultraviolet

2 : beyond the limits of : super-

3 : beyond what is ordinary or proper

More from Merriam-Webster on ultra

Thesaurus: All synonyms and antonyms for ultra

Britannica.com: Encyclopedia article about ultra

Comments on ultra

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


a soft lustrous wool fabric with mohair

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
True or False

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


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!