Nonplussed. Confused or disconcerted.
Numerically. Considered from the standpoint of numbers.
Nutritious. Anything that has the quality of sustaining life, as a food.
Obeisance. An act of courtesy.
Obliterate. To wipe out; to destroy.
Orgy. Wild or wanton revelry.
Ostentatiously. Open; to be readily seen.
Quadrille. A square dance for four couples, dating from the 18th century.
Quarantine. A system of police and medical regulations, established at frontiers and ports.
Pathetic. Arousing tender emotions.