What does "unimaginably" mean?

To an extent or in a way that cannot be, or could not have been, imagined

Unimaginably

Q: What is a synonym for "unimaginably"?

Common synonyms include: exceptionally, extraordinarily, incredibly, marvelously, miraculously, remarkably.

adv

adv ·Rare ·Advanced level

Definitions

Adverb

1
To an extent or in a way that cannot be, or could not have been, imagined
"As it prepares to inaugurate a new president, America is also trying to forge a fresh identity in a world unimaginably different from the one inherited by George W Bush only eight years ago."

Adverb

1
to an unimaginable extent wordnet

Synonyms

All synonyms

exceptionally extraordinarily incredibly marvelously miraculously remarkably

Example

More examples

"Inside the corona, it’s also, of course, unimaginably hot. The spacecraft will travel through material with temperatures greater than a million degrees Fahrenheit while being bombarded with intense sun light."

Etymology

From unimaginable + -ly.

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