Oförvållad, involuntary.
Oförvägen, rash, daring.
Oförvägenhet, temerity.
Oföränderlig, unchangeable.
Ogenerad, free and easy; var —, be at your ease, make yourself comfortable, consider yourself at home, you are quite at liberty.
Ogenomtränglig, impenetrable.
Ogerna, unwillingly.
Ogerning, foul deed.
Ogift, unmarried, single.
Ogilla, to disapprove.