Definify.com
Webster 1913 Edition
Thousandfold
Thou′sand-foldˊ
,Adj.
 Multiplied by a thousand. 
Definition 2025
thousandfold
thousandfold
English
Adjective
thousandfold (not comparable)
-  Multiplied by one thousand (1000), repeated a thousand times.
- The changes to the algorithm resulted in a thousandfold increase in efficiency, earning the engineer a small brass plaque.
 
 -  Having one thousand parts or members.
-  1851, Herman Melville, Moby-Dick:
- Looking into his eyes, you seemed to see there the yet lingering images of those thousand-fold perils he had calmly confronted through life.
 
 
 -  1851, Herman Melville, Moby-Dick:
 
Translations
Repeated a thousand times
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Adverb
thousandfold (not comparable)
- By a factor of a thousand.
 
Translations
By a factor of a thousand