Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Immoderately adhering to a belief, fashion, or course of action; extreme.
  • n. An extremist.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Extreme; far beyond the norm.
  • n. An ultra-royalist in France.
  • n. An extremist.
  • n. Code name used by British codebreakers during World War 2 for decrypted information gained from the enemy.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Going beyond others, or beyond due limit; extreme; fanatical; uncompromising; ; ultra measures.
  • n. One who advocates extreme measures; an ultraist; an extremist; a radical.

from The Century Dictionary and Cyclopedia

  • Extreme; extravagant; fanatical: as, ultra measures.
  • n. One who advocates extreme views or measures; an extremist; an ultraist.
  • n. A Latin preposition used as a prefix, signifying ‘beyond.’

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. (used of opinions and actions) far beyond the norm

Etymologies

French, from Latin ultrā-, ultra-.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

  • The philosophy of history should teach us to be modest, and to keep as our motto _plus ultra versus ne plus ultra_.

    Autobiography of Frank G. Allen, Minister of the Gospel and Selections from his Writings

  • The real beauty of that, is every time he uses the term ultra-Darwinists he erodes ultra Creationist support since in place of the word *g*o*d* he uses a term synonymous with atheist allowing the definition of NOT_DevineCreator to be the meme in his message .…its almost as if he is ashamed to mention the “g” word what kind of religion is that.…atheism?

    CURSES! Foiled again! - The Panda's Thumb

  • I like the way Witt uses the term ultra-Darwinists for debunkers of neoCreationist pseudoscience making his argument and Creationism in general even more irrational .…by design.

    CURSES! Foiled again! - The Panda's Thumb

  • The term ultra-visible virus is applied to the virus of hog-cholera.

    Common Diseases of Farm Animals

  • The doctrine designated by the term ultra vires is that which governs the courts in limiting the liability of a corporation to acts which are expressly authorized by its charter, or acts which are defined by its original articles of institution to be within the scope of its corporate operations.

    The Catholic Encyclopedia, Volume 4: Clandestinity-Diocesan Chancery

  • However, the term ultra low nutrient system (ULNS) is most often associated with probiotic or bacteria-driven systems due to their efficiency in reducing nitrate and phosphate levels.

    Practical Fishkeeping

  • I have already mentioned twice the term ultra short-focus lens, but not the fact that this actually means the projector is capable of throwing an 80-inch image from a distance as short as 86 centimeters.

    Softpedia - Windows - All

  • What are the qualities that come to your mind if you see the term ultra-portable used to describe a notebook you haven't seen in person?

    jkOnTheRun

  • Moreover, given that Apple is known to be far more conservative than others in the industry are, this outlook obviously gives new meaning to the term ultra-conservative.

    SeekingAlpha.com: Home Page

  • The group operates an array of programs for clients in varying levels of poverty, Hastings said, starting with what they describe as the ultra-poor, those who have no form of income and few job skills.

    Haiti's Most Important Resource

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