greatly, very much, significantly, remarkably, substantially, markedly, noticeably, appreciably
Some examples of synonyms for the word significantly are: importantly, extremely, greatly, considerably, incomparably, meaningful, major and determinative.
They are synonyms.
Yes; if the "ly" ending didn't give it away, it's used to modify adjectives: considerably larger, considerably cheaper, etc. "Considerably" is an adverb.
Glasses vary very considerably in size.Glasses vary very considerably in size.Glasses vary very considerably in size.Glasses vary very considerably in size.
Synonyms
Relative and kin are synonyms.
We are considerably older than our children.
They are synonyms.
synonyms
Are there synonyms for washable
Synonyms for Brake:AnchorBlockConstraintDecelerateDeterrentHaltHindranceObstacleRestraintStop
Synonyms for Brash:ArrogantBoldBrazenCheekyCockyDisrespectfulFlagrantHastyHotheadedImpulsiveMadcapRudeTactlessThoughtlessUntactful