insospechable - referring to someone who wouldn't be suspected, unforseeable, unknowableSpanish example: Existen en nuestro planeta una cantidad insospechable de elementos dejados por las distintas culturas que lo poblaron hace muchisimos años.
English example: There exist on our planet an unknowable quantity of items left by those who populated it many years ago.
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insospechable - referring to someone who wouldn't be suspected, unforseeable, unknowable