What is the meaning of significantly?

adverb

• In a statistically significant way.
  • usage: "the two groups differed significantly"
• In a significant manner.
  • usage: "our budget will be significantly affected by these new cuts"
• In an important way or to an important degree.
  • usage: "more importantly, Weber held that the manifold meaning attached to the event by the social scientist could alter his definition of the concrete event itself"
  • synonyms: importantly