ultra

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ultra

  • /ˈʌltɹə/ US, UK
  • /ˈʊltɹə/ Northern England
  • /ˈʌltɾə/ Scotland, Wales
  • /ˈɐltɹə/ Australia, New Zealand

adjective more ultra · most ultra

  1. Extreme; far beyond the norm; fanatical; uncompromising. an ultra reformer; ultra measures

noun ultras

  1. A political extremist, in particular Five militants were nabbed while four ultras of Harkat-ul-Jehad-e-Islami (HuJI) gave themselves up.
  2. An ultraleftist.
  3. An ultranationalist.
  4. France, historical An ultraroyalist. Her soirées were among the most agreeable at Paris—she united all the rank and talent to be found in the ultra party, for she professed to be quite a female Mæcenas; […]
  5. An especially devoted football fan, typically organized and participating in choreographies (including pyrotechnics), often of outwardly intimidating demeanour, but distinguished from a violent hooligan (although overlap between both subcultures is possible) A similar view is expressed by a Turin supporter in Segre's study, but in this case it is more specifically addressed to how powerful teams, such as Juventus, get preferential treatment in reports on the negative aspects of the ultras world.
  6. An ultramarathon. I've done more than forty marathons and ultras and have won a handful of small boutiquey races in mountainous, out-of-the-way places: the foothills of the Sierra Nevada; Mount Mitchell, North Carolina; Bozeman, Montana; and, on the third day of a 100-mile stage race, the Mount Everest Challenge Mara
  7. An ultra-prominent peak. Blanca Peak is one of just three ultra-prominence peaks, or “ultras,” in the state and the highpoint of the Sierra Blanca Range, a massif that includes ranked 14ers Ellingwood Point, Little Bear Peak, and Mount Lindsey.
  8. capitalized, usually Code name used by British codebreakers during World War 2 for decrypted information gained from the enemy.

Thesaurus

Closest in meaning: extremist, radical, immoderate, superpower, revolutionary, very, highly, premier, practice, superior, vires, super, pretty, beyond, extreme, extra

Translations

Every language

noun devoted sports fan

Españolultra
Italianoultras, ultrà

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MLA

"ultra." Wiktionary, via Micwyn, micwyn.com/word/ultra. Accessed 6 Nov. 2026.

APA

ultra. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/ultra

Chicago

"ultra." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/ultra.

BibTeX
@misc{ultra_2026,
  title = {ultra},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/ultra},
  urldate = {2026-11-06}
}