Tenfold

a. & adv.

1.

In tens; consisting of ten in one; ten times repeated. The grisly Terror . . . grew tenfold More dreadful and deform. - Milton.

Adj.	1.	tenfold - containing ten or ten parts Synonyms: denary
Adv.	1.	tenfold - by ten times as much; "the population increased tenfold"