Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • initialism idiomatic There ain't no such thing as a free lunch; something advertised as being "free" will invariably have hidden costs.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Acronym, originating in the early 20th century, and popularized by Robert Heinlein's novel, The Moon is a Harsh Mistress.

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Examples

  • The acronym TANSTAAFL was used by Robert Heinlein, the science fiction writer, in his 1966 novel,

    Home/News John Feehery 2009

  • But then I think that most people who cite TANSTAAFL have never read “Mistress”, have no understanding that it applies only in a closed system, and are still looking for their own free lunches.

    The Volokh Conspiracy » Charles Murray on Ayn Rand: 2010

  • Wealthy taxpayers must have gotten their gains at someone else's expense, since TANSTAAFL.

    Top 20 List: Things Economists Say 2009

  • » Heinlein on national health care: TANSTAAFL heinleinblog heinleinblog

    » Heinlein on national health care: TANSTAAFL heinleinblog 2009

  • But then I think that most people who cite TANSTAAFL have never read “Mistress”, have no understanding that it applies only in a closed system, and are still looking for their own free lunches.

    The Volokh Conspiracy » Charles Murray on Ayn Rand: 2010

  • I thought of TANSTAAFL when he said that and wonder if he every read THAT book.

    Live-blogging Obama's first press conference. Ann Althouse 2009

  • Somebody threw Bob Heinlein at me, so let me respond with him: TANSTAAFL.

    Steal This Movie! Steven Barnes 2009

  • TANSTAAFL -- There ain't no such thing as a free lunch.

    Moral Versus Legal Steve Perry 2009

  • "Heinlein Gets the Last Word" is Kurt Vonnegut's New York Times article on the literary importance of Heinlein and the uncut Stranger in a Strange Land (free registration required, or use our gift to you: username/password = heinlein100/TANSTAAFL).

    July 2007 2007

  • The Moon is a Harsh Mistress by Robert Heinlein - the concept known as TANSTAAFL, or "There ain't no such thing as a free lunch".

    July 2007 2007

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