| |||||||||
sub‧stan‧tial‧ly

1 very much or a lot [= considerably]:
substantially higher prices
The deer population has increased substantially in recent years.
substantially higher prices
The deer population has increased substantially in recent years.2 used to say that in many ways something is true, the same, different etc [= essentially]:
There are one or two minor differences, but they're substantially the same text.
There are one or two minor differences, but they're substantially the same text.