The meaning of UNFATHOMABLE is not capable of being fathomed. How to use unfathomable in a sentence.

UNFATHOMABLE definition: not able to be fathomed, or completely understood; incomprehensible. See examples of unfathomable used in a sentence.

The present position is utterly incomprehensible and unfathomable to the foreigner.

Definition of unfathomable adjective from the Oxford Advanced Learner's Dictionary. too strange or difficult to be understood. We are confronted with the unfathomable nature of human motivation. if …

Dec 14, 2025 · unfathomable (comparative more unfathomable, superlative most unfathomable) Impossible to fathom.

unfathomable, adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary

From Longman Dictionary of Contemporary English un‧fath‧om‧a‧ble /ʌnˈfæðəməbəl/ adjective literary too strange or mysterious to be understood Examples from the Corpus unfathomable • His …

Unfathomable means impossible to ever understand. For most people, the field of quantum mechanics is unfathomable.

If you describe something as unfathomable, you mean that it cannot be understood or explained, usually because it is very strange or complicated. For some unfathomable reason, there are no stairs where …

Impossible to fully comprehend, measure, or understand due to extreme complexity, depth, or vastness. See example sentences, synonyms, and etymology for the adjective unfathomable.