a drug, usually illicit, that does not produce significant psychological or physical dependence.
soft drug n.
A drug considered to be nonaddictive and less damaging to the health than a hard drug.
verb (used with object) 1. to make soft or softer. verb (used without object) 2. to become soft or softer. verb 1. to make or become soft or softer 2. to make or become gentler 3. (intransitive) (commerce) (of demand, a market, etc) to weaken (of a price) to fall
noun 1. Chemistry. any admixture to a substance for promoting or increasing its softness, smoothness, or plasticity. water softener. 2. a person or thing that softens. noun 1. a substance added to another substance to increase its softness, pliability, or plasticity 2. a substance, such as a zeolite, for softening water
noun 1. renewable energy. renewable energy noun 1. any naturally occurring, theoretically inexhaustible source of energy, as biomass, solar, wind, tidal, wave, and hydroelectric power, that is not derived from fossil or nuclear fuel. renewable energy noun 1. another name for alternative energy noun See alternate energy See renewable resource
noun, Pathology. 1. a softening of the cerebrum, caused by impairment of the blood supply; encephalomalacia. 2. Informal. dementia associated with general paresis. softening of the brain noun 1. an abnormal softening of the tissues of the cerebrum characterized by various degrees of mental impairment