tenfold

UK: /ˈtɛnˌfəʊld/ US: (adj. ten′fōld′; adv. ten′fōld′)

WordReference Random House Unabridged Dictionary of American English © 2026

ten•fold  (adj. ten′fōld′;adv. ten′fōld′), adj. 

1. comprising ten parts or members.
2. ten times as great or as much.

adv. 

3. in tenfold measure:
   good deeds rewarded tenfold.

• 1150–1200; Middle English; Old English tienfeald. See ten, -fold

Collins Concise English Dictionary © HarperCollins Publishers::

tenfold / ˈtɛnˌfəʊld/ adjective

1. equal to or having 10 times as many or as much
2. composed of 10 parts

adverb

1. by or up to 10 times as many or as much