ultra

1 of 3

adjective

ul·​tra ˈəl-trə How to pronounce ultra (audio)
: 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
Coverage of it all, including the Nashville area’s ultra popular high school sports scene, can be found every single day at Tennessean.com. Benjamin Goad, The Tennessean, 26 July 2025 With the power grid on her side, she’s known to cause massive blackouts and super-charge herself to become ultra powerful. Sarah Scott, Parents, 30 May 2025
Noun
Because of its harsh conditions, the Badwater 135 is perhaps the most intensely crewed ultra in the world, and without these dedicated support teams, for most, the race would be impossible. Devin Kelly, Outside Online, 29 July 2025 Felipe Cardenas: Due to sheer numbers and commitment, Boca’s ultras and travelling band of die-hard fans lit up the tournament. The Athletic Staff, New York Times, 28 June 2025 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 6 Aug. 2025.

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"

More from Merriam-Webster on ultra

Last Updated: - Updated example sentences
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