Definitions

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

  • False; deceptive; sham: pseudoscience.
  • Apparently similar: pseudocoel.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • false, not genuine, fake

from the GNU version of the Collaborative International Dictionary of English

  • A combining form or prefix signifying false, counterfeit, pretended, spurious. Also used adjectively.

from The Century Dictionary and Cyclopedia

  • n. An element, a quasi-prefix, in compounds of Greek origin, meaning ‘false,’ ‘counterfeit,’ ‘spurious,’ ‘sham.’

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

  • adj. (often used in combination) not genuine but having the appearance of
  • n. a person who makes deceitful pretenses

Etymologies

Greek, from pseudēs, false, from pseudein, to lie.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From combining form of Ancient Greek ψευδής (pseudēs, "false, lying"). (Wiktionary)

Examples

  • Yet so hazy was the 17th-century divide between science and pseudo- science that the weekly meetings were as likely to examine the curative properties of powdered "unicorn" horn and "death sweat" from executed prisoners as the makeup of Saturn's rings or improvements in optical glassmaking.

    An Engine of Perpetual Revolution

  • Thanks to a hit piece by one of those Beltway pseudo-"bipartisans" we can now state conclusively what many of us have long suspected: Occupy Wall Street speaks for the American majority.

    Richard (RJ) Eskow: Occupy Wall Street Speaks For America: A "Centrist" Hit Job's Polling Data Helps Prove It

  • There's just one little problem: The songs sound absolutely nothing alike, with Gaga doing her patented club-banger and Francescatti doing a pseudo- Alanis Morissette wronged woman-type plaint.

    PhillyDeals

  • To me the main problem with any such pseudo- or quasi-scientific approach is that, as you say, Alexander's terminal symptoms are very differently described by the extant sources - which are we to believe?

    Forbes.com: News

  • "Drive," Ryan Gosling is a stunt driver and part-time mechanic who moonlights as a wheelman for thieves when he's not tooling around late-night Los Angeles listening to moody, synthy pseudo-'80s tunes.

    NYT > Home Page

  • Oh yes, because otherwise it would not have been necessary for those later post-, pseudo- and anti-pauline letters -- seen in

    The Full Feed from HuffingtonPost.com

  • former news/managing editor for one of the "alternative newsweeklies" in Portland, exemplifying — well beyond his conscious intent — the role the papers serve in harboring & perpetuating empty-headed, pseudo-"hipster" entitlement, while evidencing scarcely a clue about the larger, outside world they live in . . .

    Portland Music Listener [Card #5: The Heirophant] (WORK-IN-PROGRESS)

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