ultra

1 of 3

adjective

ul·​tra ˈəl-trə How to pronounce ultra (audio)
Synonyms of ultranext
: going beyond others or beyond due limit : extreme

ultra

2 of 3

noun

: one that is ultra : extremist

ultra-

3 of 3

prefix

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

Examples of ultra in a Sentence

Adjective espouses a kind of ultra conservatism that even some members of his own party cannot support
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
When her once-close friend Harper (Myha’la) finds her in Paris, Yasmin is now organizing illicit interactions with underage girls and young women for ultra wealthy de facto neo-Nazis and conservative politicians. Katie Campione, Deadline, 7 June 2026 For Bombardier, the Montreal-to-Nice flight gives the Global 8000 an early performance benchmark as the company continues to promote the aircraft as a high-speed, ultra-long-range option for premium business aviation. Atharva Gosavi, Interesting Engineering, 6 June 2026
Noun
The ultras, as they are known, are a study in obsession and aggression (the clue is in the name). Gitanjali Roy, Encyclopedia Britannica, 1 June 2026 Shortly afterwards, Rayo went down the other end and almost opened the scoring, but Unai Lopez’s shot flew wide from the edge of the box, and the driving chants from the ultras behind Batalla’s goal restarted. Dermot Corrigan, New York Times, 27 May 2026 See All Example Sentences for ultra

Word History

Etymology

Adjective

ultra-

Noun

ultra-

Prefix

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

First Known Use

Adjective

1818, in the meaning defined above

Noun

1819, in the meaning defined above

Time Traveler
The first known use of ultra was in 1818

Browse Nearby Words

Cite this Entry

“Ultra.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultra. Accessed 9 Jun. 2026.

Kids Definition

ultra

1 of 2 adjective
ul·​tra
ˈəl-trə
: going beyond others : extreme

ultra-

2 of 2 prefix
1
: beyond : exceeding the range or limits of
ultraviolet
2
: more than is usual
ultramodern
Etymology

Prefix

derived from Latin ultra "beyond"

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