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
Made up of a cozy microfiber fabric shell with polyester filling, the bedspread is ultra breathable for all-season use, skin friendly, and whisper quiet for a less disruptive night’s sleep. Mariana Best, Better Homes & Gardens, 7 Sep. 2025 Both are ultra-rich and at the top of their fields, but Kelce, a Kansas City Chiefs football pro, has not made the same amount of money as his billionaire pop-star fiancée. Madeline Holcombe, CNN Money, 6 Sep. 2025
Noun
There’s much, much more to the culture, of course, and there are positive and negative associations with ultras around Germany and beyond, but this was another occasion brightened by their work. Sebastian Stafford-Bloor, New York Times, 2 Sep. 2025 The Pixel 10 sports a 48 MP primary, a 13 MP ultra wide, and a 10.8 MP 5x telephoto—this setup is most similar to Google's foldable phone. ArsTechnica, 29 Aug. 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 10 Sep. 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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