Synonyms for unimaginable

Most common

impossible · unthinkable · incomprehensible · inconceivable · mind-boggling · incalculable

All synonyms

Adjective

Antonyms

imaginable

All antonyms of unimaginable →

Definitions

1. adj. 1

   Unable to be imagined; inconceivable or mind-boggling; beyond belief.

Example sentences

• impossible It'll be impossible to get a visa at short notice.
• unthinkable It was next to unthinkable that the boy would steal.
• incomprehensible This language is incomprehensible to me when spoken.
• inconceivable It is inconceivable to me that he would do such a thing.
• incalculable The losses are incalculable.

Popularity over time

Use in printed books, per decade from 1850 to 2019.

By length

10 letters

impossible⁴

11 letters

unthinkable⁴

12 letters

incalculable⁵, mindboggling³

13 letters

inconceivable⁵

The small number after each word is its number of syllables (impossible⁴ = 4 syllables).

In other languages

Français

inimaginable

Italiano

inimmaginabile