1
Physiological or psychological dependence, as on a substance.
2
a substance produced by or used in chemistry.
3
causing or tending to cause harm; injurious
4
The leaves of this plant, dried and processed chiefly for use in cigarettes, cigars, or snuff or for smoking in pipes.
5
Possessing good health
6
Distinctive taste; savor
7
A chemical substance, such as a narcotic or hallucinogen, that affects the central nervous system, causing changes in behavior and often addiction.
