Sick·en v. t. [imp. & p. p. Sickened p. pr. & vb. n. Sickening.]
1. To make sick; to disease.
Raise this strength, and sicken that to death. --Prior.
2. To make qualmish; to nauseate; to disgust; as, to sicken the stomach.
3. To impair; to weaken. [Obs.]