Today's Word of the Day means...
adj. sick·er, sick·est
Suffering from or affected with a disease or disorder.
Of or for sick persons.
Mentally ill or disturbed.
Constituting an unhealthy environment for those working or residing within, as of a building.
The craving and misery of an addict in need of a narcotic dose (1940s+ Narcotics)
[modern use of first sense from about 1955 is probably not a survival]