substantially
adverb OPAL W
  /səbˈstænʃəli/
  /səbˈstænʃəli/
- very much; a lot synonym considerably- The costs have increased substantially.
- The plane was substantially damaged in the crash.
- The company’s profits have been substantially lower this year.
 
- (formal) mainly; in most details, even if not completely- What she says is substantially true.