Meaning & use
unfathomable
Impossible to understand fully or measure completely, because of its extreme depth or complexity.
See it in a sentence
The scale of the disaster caused unfathomable suffering across the entire region.
To ancient sailors, the ocean's depths seemed utterly unfathomable and terrifying.
A note on using this word
Unfathomable originally described water too deep to measure ('fathom') and now mainly describes ideas, emotions, or scales beyond comprehension.
Words with a similar meaning
incomprehensibleinconceivable
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
understandableclear
Make it your own
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