Sick″ness, n. [AS. seócness.] 1. The quality or state of being sick or diseased; illness; sisease or malady.
I do lament the sickness of the king. Shak.
Trust not too much your now resistless charms;
Those, age or sickness soon or late disarms. Pope.
2. Nausea; qualmishness; as, sickness of stomach.
Syn. — Illness; disease; malady. See Illness.