substantially
- 01 B2 Upper Intermediate
by a large amount or to a great degree.
to a considerable or significant extent; used to quantify a change or difference.
Simple“The price of the house has increased substantially since they bought it last year.”
In context“The new environmental regulations have substantially reduced the volume of industrial waste discharged into the local river system.”
UsageCommonly modifies verbs of change like 'increase', 'decrease', 'improve', or 'differ'.
SynonymsAntonyms - 02 C1 Advanced
used to say that something is true in the most important ways, even if not in every detail.
in essence or in regard to the main points; used when a statement is true for the most part.
Simple“The two reports are substantially the same, with only a few small differences.”
In context“While the wording has been updated for modern readers, the legal principles remain substantially unchanged from the original 19th-century statute.”
UsageOften used before adjectives like 'the same', 'different', or 'unchanged'.
SynonymsAntonyms
Usage substantially higher · substantially affect · substantially alter
“Japan's Ministry of Finance says that AI adoption by businesses has already increased substantially, , external with 75% of companies now using the technology, up from 11% five years ago.”
“A large study suggests that substantially greater benefits may require roughly 560 to 610 minutes a week—nearly 9 to 10 hours of brisk walking, running, cycling, or similar activity.”
From substantial + -ly.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.