Definition of unobtainable
: not capable of being obtained : not available : not obtainable
an unobtainable objective a gem so rare as to be virtually unobtainable
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Great Words for Scrabble
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- Which of the following Q-without-U words means the number five in cards or dice?

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Merriam-Webster unabridged
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Time Traveler for unobtainable
The first known use of unobtainable was in 1653
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