From Longman Dictionary of Contemporary Englishtenfoldten‧fold /ˈtenfəʊld $ -foʊld/ adjective, adverb LOT/LARGE NUMBER OR AMOUNTten times as much or as many of something Business has increased tenfold in the past two years.
Examples from the Corpus
tenfold• Traffic across the border has increased tenfold.increased tenfold• If Araminta sees it, her jealousy will be increased tenfold.• Over the past two years his workforce has increased tenfold.• Sanctions meant he could no longer import spares but the value of his existing stock had increased tenfold.• The band's resolve increased tenfold, although Morrissey was a little stunned by the enormity of the upcoming task.• She was unprepared for it and her nervousness increased tenfold as she bustled about to get his tea.• Production increased tenfold in the period leading up to the second world war.• It was a virtual-reality thriller just perfect for computer geeks, whose numbers have probably increased tenfold since the hourlong drama crashed. 