Seven times as much; multiplied by seven. (adjective)
Having seven parts. (adjective)
By a factor of seven. (adverb)
Examples of word sevenfold
Winthrop looked at him, as if to see whether he were cased in sevenfold learning.
Still, the fact that Amazon ended the Christmas selling season with an inventory of $221 million, up "sevenfold" (according to Mr. Hansell) from the prior year suggests that whatever is rotten is not limited to the state of Denmark.
Ps.lxxix. 11, 12 is about to be rewarded "sevenfold," in answer to the prayers which had been offered.
 As Nin-Girau, Tammuz was associated with "sevenfold" Orion.
Spirit of life and love and power, and dost his sevenfold graces shower upon us all.