1. Nausea; squeamishness; as sickness of the stomach.
2. State of being diseased. I do lament the sickness of the king.
3. Disease; malady; a morbid state of the body of an animal or plant, in which the organs do not perfectly perform their natural functions. Trust not too much your now resistless charms; Those age or sickness soon or late disarms. Himself took our infirmities, and bore our sicknesses. Matthew 8:17.