What does ultra mean?

Definitions for ultraˈʌl trə

Here are all the possible meanings and translations of the word ultra.

Princeton's WordNet

  1. extremist, radical, ultra(adj)

    (used of opinions and actions) far beyond the norm

    "extremist political views"; "radical opinions on education"; "an ultra conservative"


  1. ultra(Noun)

    An ultra-royalist in France.

  2. ultra(Noun)

    An extremist.

  3. ultra(Noun)

    Code name used by British codebreakers during World War 2 for decrypted information gained from the enemy.

  4. ultra(Adjective)

    Extreme; far beyond the norm.

Webster Dictionary

  1. Ultra(adj)

    going beyond others, or beyond due limit; extreme; fanatical; uncompromising; as, an ultra reformer; ultra measures

  2. Ultra(noun)

    one who advocates extreme measures; an ultraist; an extremist; a radical


  1. Ultra

    Ultra was the designation adopted by British military intelligence in June 1941 for wartime signals intelligence obtained by breaking high-level encrypted enemy radio and teleprinter communications at the Government Code and Cypher School at Bletchley Park. Ultra eventually became the standard designation among the western Allies for all such intelligence. The name arose because the intelligence thus obtained was considered more important than that designated by the highest British security classification then used and so was regarded as being Ultra secret. Several other cryptonyms had been used for such intelligence. British intelligence first designated it "Boniface"—presumably to imply that it was the result of human intelligence. The U.S. used the codename "Magic" for its decrypts from Japanese sources. Much of the German cipher traffic was encrypted on the Enigma machine. Used properly, the German military Enigma would have been virtually unbreakable; in practice, shortcomings in operation allowed it to be broken. The term "Ultra" has often been used almost synonymously with "Enigma decrypts". However, Ultra also encompassed decrypts of the German Lorenz SZ 40/42 machines that were used by the German High Command, and the Hagelin machine and other Italian and Japanese ciphers and codes such as PURPLE and JN-25.

Chambers 20th Century Dictionary

  1. Ultra

    ul′tra, adj. going beyond, extreme—in composition, as in Ultra-classical, Ultra-fashionable, Ultra-conservative, Ultra-critical, &c.—n. an ultraist: a fanatic.—ns. Ul′traism, the principles of ultraists; Ul′traist, one who carries to extremes the opinions or principles of his party.—Ultra vī′res, beyond one's power or rights. [L. ultra, beyond, vires, pl. of vis, strength.]

Suggested Resources

  1. ultra

    Song lyrics by ultra -- Explore a large variety of song lyrics performed by ultra on the Lyrics.com website.


  1. Chaldean Numerology

    The numerical value of ultra in Chaldean Numerology is: 7

  2. Pythagorean Numerology

    The numerical value of ultra in Pythagorean Numerology is: 9

Sample Sentences & Example Usage

  1. Ruben Mendoza:

    Until 1993, I was ultra-indigenous.

  2. Sam Bompas:

    I'm obsessed with ultra exotic fruits.

  3. Danielle Grillo:

    It’s not a traditional hairpiece or wig— it’s ultra-custom.

  4. Rob Goldstone:

    I could also send this info to your father via Rhona, but it is ultra sensitive so wanted to send to you first.

  5. Chief Executive Marco Patuano:

    Our agreements with national and international TV players are driving the demand for ultra (fast) broadband connection.

Images & Illustrations of ultra

  1. ultraultraultra

Translations for ultra

From our Multilingual Translation Dictionary

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"ultra." Definitions.net. STANDS4 LLC, 2018. Web. 20 Mar. 2018. <https://www.definitions.net/definition/ultra>.

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