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

  • transitive v. To calculate approximately (the amount, extent, magnitude, position, or value of something).
  • transitive v. To form an opinion about; evaluate: "While an author is yet living we estimate his powers by his worst performance” ( Samuel Johnson).
  • n. The act of evaluating or appraising.
  • n. A tentative evaluation or rough calculation, as of worth, quantity, or size.
  • n. A statement of the approximate cost of work to be done, such as a building project or car repairs.
  • n. A judgment based on one's impressions; an opinion.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A rough calculation or guess.
  • n. A document (or verbal notification) specifying how much a job will probably cost.
  • v. To calculate roughly, often from imperfect data.

from the GNU version of the Collaborative International Dictionary of English

  • n. A valuing or rating by the mind, without actually measuring, weighing, or the like; rough or approximate calculation.
  • transitive v. To judge and form an opinion of the value of, from imperfect data, -- either the extrinsic (money), or intrinsic (moral), value; to fix the worth of roughly or in a general way
  • transitive v. To from an opinion of, as to amount,, number, etc., from imperfect data, comparison, or experience; to make an estimate of; to calculate roughly; to rate.

from The Century Dictionary and Cyclopedia

  • To form a judgment or opinion regarding the value, size, weight, degree, extent, quantity, etc., of; compute, appraise, or value by judgment, opinion, or approximate calculation; fix the worth of; judge; reckon.
  • To esteem; honor.
  • Synonyms Value, Prize, Esteem, etc. (see appreciate); to count, judge, appraise.
  • n. A judgment or opinion as to the value, degree, extent, quantity, etc., of something; especially, a valuing determined by judgment, where exactness is not sought or is not attainable.
  • n. Estimation; reputation.

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

  • n. a statement indicating the likely cost of some job
  • n. a judgment of the qualities of something or somebody
  • v. judge tentatively or form an estimate of (quantities or time)
  • n. a document appraising the value of something (as for insurance or taxation)
  • n. an approximate calculation of quantity or degree or worth
  • v. judge to be probable
  • n. the respect with which a person is held


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

Latin aestimāre, aestimāt-.

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin aestimatus, past participle of aestimare, older form aestumare ("to value, rate, esteem"); see esteem.


  • I have forced myself to stop refreshing Google news and the like, and attempted to focus on work the rest of the day, so I wouldn't be surprised that the estimate is as high as 100k-500k by now.

    "The courage of the coward— greater than all others."

  • This estimate is therefore preliminary, pending a review of the language of the reconciliation proposal, as well as further review and refinement of the budgetary projections.

    Matthew Yglesias » CBO: Health Reform Will Reduce the Deficit, Cover Tens of Millions of Americans

  • If this estimate is accurate, remittances would surpass tourism to become Mexico's third largest source of foreign income after manufacturing and oil.

    Lloyd Mexico Economic Report - December 2001

  • If their estimate is actually honest the bonding will be negligable if they are just pulling numbers out of their a$$ that they think will "sell" the public on the project they may not be able to secure bonding.

    Sound Politics: Tunnel of Funny Money

  • “In terms of property damage,” said actress Hilary Swank, “the estimate is at least $26 billion in insured losses and perhaps twice that in uninsured losses over a 90,000-square-mile area — approximately the size of Kansas.”

    Props to Kanye West!

  • On Saturday, Sept. 24th hundreds of thousands of people - our estimate is at least 300,000 - marched in front of the White House and through the streets of Washington, DC in a powerful, unified statement of opposition to the war in Iraq and for justice for the people of the Gulf Coast.

    what i missed

  • Left out of this estimate is the sheer human cost to the stroke patient and the stroke patient's family.

    Prevention and Treatment of Strokes

  • But if my estimate is anywhere near right, it is not a proud record for a country which is nearly 100 per cent literate and where the ordinary man spends more on cigarettes than an Indian peasant has for his whole livelihood.

    Books v. Cigarettes

  • But how the estimate is arrived at he leaves us to guess.

    Public Ownership of Public Utilities

  • A conservative estimate is that at least one-seventh of Russian couples are infertile.

    Eastern Europe


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  • Mate!

    November 17, 2008