The Collaborative International Dictionary
Unbreathed
Unbreathed \Un*breathed"\, a.
Not breathed.
Not exercised; unpracticed. [Obs.] ``Their unbreathed memories.''
--Shak.
Wiktionary
unbreathed
a. Not having been breathed.
Usage examples of "unbreathed".
Above, clean morning clouds were building to enormous height, clouds that might have formed in the unbreathed air of Earth five hundred million years before.