Ogörlig, impracticable.
Ohandterlig, unwieldy, bulky, unhandy; (bildl.), unmanageable.
Ohederlig, dishonorable, dishonest, unfair.
Ohejdad, unchecked, unrestrained.
Ohelga, to profane, to desecrate.
Ohelsosam, unwholesome.
Ohjelplig, past help.
Ohyfsad, unpolished.
Ohygglig, foul, hideous.
Ohyra, vermin.