Substantially

adv

adv ·4 syllables ·Uncommon ·Advanced level

Definitions

Adverb
  1. 1
    In a strong or substantial manner; considerably.

    "For the first time since the Great Depression, median family income has fallen substantially over an entire decade. Income grew slowly through most of the last decade, except at the top of the distribution, before falling sharply when the financial crisis began."

  2. 2
    To a great extent; in essence; essentially.
  3. 3
    Without material qualifications.
Adverb
  1. 1
    to a great extent or degree wordnet
  2. 2
    in a strong substantial way wordnet

Synonyms

All synonyms
vastlyactuallyadequatelyall in allalmost entirelyamply

Example

More examples

"The stability of Chinese economy is substantially overestimated."

Etymology

From substantial + -ly.

Related phrases

in essence

More for "substantially"

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.