Unsoundable definitions

Unsoundable

1) Unfathomable
Found on https://www.crosswordclues.com/clue/unsoundable

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unsoundable

[adj] - too deep to determine the depth of
Found on http://www.webdictionary.co.uk/definition.php?query=unsoundable

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unsoundable

adjective too deep to determine the depth of
Found on https://www.encyclo.co.uk/local/20974

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