Definition

Noun: A substance that, when introduced into the body, alters brain function, resulting in temporary changes in perception, mood, consciousness, or behavior.

Usage

This term is used to describe a broad category of chemical substances that have a significant impact on the central nervous system. It is a formal and clinical term common in medical, psychological, and legal contexts. The term itself is neutral, describing the substance's effect rather than its legal status or social acceptability.

Examples

• Noun:
  • Caffeine is the most widely consumed psychoactive drug in the world.
  • The study focused on the long-term effects of various psychoactive drugs.
  • Doctors must consider a patient's use of any psychoactive drug when making a diagnosis.

Advanced Usage

• "Psychoactive drug abuse": Refers to the harmful or hazardous use of such substances.
  • The clinic specializes in treating psychoactive drug abuse.
• "Psychoactive drug policy": Refers to laws and regulations governing these substances.
  • The debate over national psychoactive drug policy is ongoing.

Variants and Related Words

• Psychotropic (adj): A near-synonymous adjective meaning "affecting the mind or mental processes." Often used interchangeably with "psychoactive."
  • Psychotropic medication.
• Psychoactive substance: A synonymous phrase.
• Hallucinogen (n): A specific type of psychoactive drug that primarily causes distortions in perception.
• Stimulant (n): A specific type of psychoactive drug that increases activity in the central nervous system.
• Depressant (n): A specific type of psychoactive drug that decreases activity in the central nervous system.

Synonyms

• Mind-altering drug
• Psychotropic substance
• Intoxicant (in a broader sense)

Related Phrases

• Recreational drug: A psychoactive drug used for pleasure or leisure rather than for medical purposes.
• Controlled substance: A legal term for a drug whose manufacture, possession, and use are regulated by the government, which includes many psychoactive drugs.

Noun

1. a drug that can produce mood changes and distorted perceptions