OBARNI, preparation of mead.
OBJECT, oppose; expose; interpose.
OBLATRANT, barking, railing.
OBNOXIOUS, liable, exposed; offensive.
OBSERVANCE, homage, devoted service.
OBSERVANT, attentive, obsequious.
OBSERVE, show deference, respect.
OBSERVER, one who shows deference, or waits upon another.
OBSTANCY, legal phrase, "juridical opposition."
OBSTREPEROUS, clamorous, vociferous.