Significantly means by large amount

[“significantly”, Cambridge Dictionaries Online, , accessed 8-15-15, AFB]

significantly

adverb US /sɪɡˈnɪf·ɪ·kənt·li/

› by a large amount:

Our prison population has significantly increased in the last ten years.

Men are making significantly more money than women at the same professional level.

(Definition of significantly from the Cambridge Academic Content Dictionary © Cambridge University Press)

Translations of “significantly”