Definition of thousand in English:

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Pronunciation: /ˈTHouz(ə)nd/

cardinal number (plural thousands /ˈTHouzndz/ or (with numeral or quantifying word) same)

(a/one thousand)
1The number equivalent to the product of a hundred and ten; 1,000: a thousand meters two thousand acres thousands have been killed (Roman numeral: m, M)
More example sentences
  • They were able to destroy a thousand acres of orange trees belonging to a settlement in a single night.
  • At least five thousand people died and thousands more were disabled permanently.
  • It will hold ten thousand people and host concerts, ice skating and sports facilities.
informal grand, K, thou
1.1 (thousands) The numbers from one thousand to 9,999: the cost of repairs could be in the thousands
More example sentences
  • The number of animals slaughtered will run into thousands over the next few days.
  • It is not known how many were killed, but it is thought to have run into thousands.
  • Our best estimate is that it may number no more than the low hundreds, rather than thousands.
1.2 (usually thousands) informal An unspecified large number: you’ll meet thousands of girls before you find the one you like I have imagined it a thousand times
More example sentences
  • It was beautiful and could have sold by the thousand if she had continued to make them.
  • On the internet we find thousands of sites dealing with just about every aspect of astrology.
  • It sounded as though a thousand suicides were howling in anguish in their eternal punishment.



Pronunciation: /ˈTHouzn(d)ˌfōld/
adjective& adverb
Example sentences
  • It went on dropping rapidly for the next half-century, until the mortality rate had declined more than a thousandfold.
  • We have magnified the power of our technologies a thousandfold.
  • The war did not solve Israel's problems, it multiplied them a thousandfold.


Pronunciation: /ˈTHouz(ə)n(t)TH/
ordinal number
Example sentences
  • Low temperature physicists, who can now work at temperatures mere hundredths of thousandths of degrees away from absolute zero, have come a long way.
  • The bugs are only a few thousandths of a millimetre across and lack the cell walls which most bacteria have.
  • The nuclear industry accounts for less than a thousandth of radiation exposure; almost all of our exposure to radiation comes from natural sources.


Old English thūsend, of Germanic origin; related to Dutch duizend and German Tausend.

For editors and proofreaders

Syllabification: thou·sand

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