substantially
sub|stan|tial|ly /səbst'ænʃəli/
1 [ADV] ADV with v, ADV adj/prep
If something changes substantially or is substantially different, it changes a lot or is very different. (FORMAL)
The percentage of girls in engineering has increased substantially...
The price was substantially higher than had been expected...
= significantly
2 [ADV] ADV adj
If you say that something is substantially correct or unchanged, you mean that it is mostly correct or mostly unchanged. (FORMAL)
He checked the details given and found them substantially correct...
1 [ADV] ADV with v, ADV adj/prep
If something changes substantially or is substantially different, it changes a lot or is very different. (FORMAL)
The percentage of girls in engineering has increased substantially...
The price was substantially higher than had been expected...
= significantly
2 [ADV] ADV adj
If you say that something is substantially correct or unchanged, you mean that it is mostly correct or mostly unchanged. (FORMAL)
He checked the details given and found them substantially correct...