adj. 1 opposed in character; discordant. 2 (often foll. by with) inconsistent. 3 (of persons) unable to live, work, etc., together in harmony. 4 (of drugs) not suitable for taking at the same time. 5 (of equipment, machinery, etc.) not capable of being used in combination. incompatibility n. incompatibleness n. incompatibly adv.
[ med.L incompatibilis (as IN-(1), COMPATIBLE) ]