Definitions
Too extreme, strange, or great to picture clearly.
Word origin
From un- + imagine + -able.
Used in a sentence
“But at the microlevel it consists of an unimaginable number of atoms connected by springy chemical bonds, all jiggling around at a rate that even our fastest supercomputer might envy.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Hard to conceive”12 letters
Not quite right?
"Search similar patterns."
U___________