The elusive holy trinity of medication, diet and sleep is unobtainable for many.
From the blogs.psychcentral.com
I had no idea that people were so desperate and felt like it was so unobtainable.
From the post-gazette.com
It's a longing for something that until recently has been nearly unobtainable.
From the abcnews.go.com
It is an heroic number that only a few years ago appeared completely unobtainable.
From the guardian.co.uk
There was a corresponding decline in the luxury trade and credit was unobtainable.
From the en.wikipedia.org
The sluices of the Canal du Midi needed a lot of water unobtainable locally.
From the guardian.co.uk
Albert's wife, Monique, would drive to Paris for ingredients unobtainable in England.
From the guardian.co.uk
The women's team is developing quickly and again a quarter-final slot is not unobtainable.
From the telegraph.co.uk
Emails bounced back, phone numbers were unobtainable and faxes failed.
From the guardian.co.uk
More examples
Inaccessible: not capable of being obtained; "a rare work, today almost inaccessible"; "timber is virtually unobtainable in the islands"; "untouchable resources buried deep within the earth"