Thousand definition
An indefinite but very large number.
noun
The cardinal number equal to 10 × 100 or 103 .
noun
Ten hundred; 1,000; M.
noun
Amounting to one thousand in number.
adjective
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Other Word Forms
Noun
Singular:
thousand
Plural:
thousandsOrigin of thousand
- Middle English from Old English thūsend teuə- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition