Oansvarig, irresponsible, unanswerable.
Oantaglig, unacceptable.
Oantastad, unmolested, undisturbed.
Oaptitlig, unsavory, disagreeable.
Oarbetad, raw (silk, cotton, etc.); (om guld, silfver) in bullion, in bars; (om jern o. d.) unwrought.
Oart, (odygd) trick, bad habit.
Oartig, naughty; impolite.
Oartighet, incivility.
Obarmhertig, uncharitable, unmerciful, pitiless.
Obebodd, uninhabited.