Definition of "tenfold" in English

adjective

1. Ten times as much or as many.

2. Containing ten parts.

adverb

1. By ten times as much.

   • 1896, William Allen Sylvester, Modern Carpentry and Building, page 142, "But, since we have increased the original value of 26 tenfold its original value, we must increase the original result tenfold : ten times 2 equal 20, the required answer."

verb

1. To increase to ten times as much; to multiply by ten.