Olycklig, unlucky, unhappy.
Olyckshändelse, mischance, accident.
Olydig, disobedient (to).
Olägenhet, inconvenience, trouble.
Oläglig, unseasonable.
Olämplig, unfit (for).
Oländig, broken, rugged, rough.
Oläraktig, indocile.
Olärd, illiterate, unlearned.
Oläslig, illegible.