tenfold

adjective

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

adverb

3. in tenfold measure: good deeds rewarded tenfold.

adjective

1. equal to or having 10 times as many or as mucha tenfold increase in population
2. composed of 10 parts

adverb

3. by or up to 10 times as many or as muchthe population increased tenfold

Old English tienfeald; see ten + -fold.