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WordNet-Online 
 Definitions from WordNet
Adjective unascertainable has 1 sense 
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| Definitions from the WebunascertainableDefinition:adjective not able to be determined or found out Sense 1:not able to be discovered or known with certainty Example Sentence: The true identity of the mysterious author remains unascertainable. Related Products: | ||||
| unarmed unarmored unarmoured unarticulate unarticulated unartistic unary unary operation unascertainable unascribable unashamed unashamedly unasked unassaible unassailable unassailably unassembled 
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