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psychotropic agent


a chemical substance that can influence human consciousness


artifact noun (man-made objects)


psychotropic agents

Original source:

Princeton WordNet



Definition references  (+images)



a substance which may have medicinal, intoxicating, performance enhancing or other effects when taken or put into a human body or the body of another animal and is not considered a food or exclusively a food. What is considered a drug rather than a... (44 of 3259 words, 7 images)


Drug (disambiguation)

any chemical substance other than a food or device that affects the function of living things. Drugs can be used to treat ... | Drug (grape), another name for the wine grape Mourv√®dre Graciano, another wine grape with Drug as a synonym | Drug (India),... (43 of 317 words, 24 definitions)

en​.wikipedia​.org​/wiki​/Drug (disambiguation)

Britannica Encyclopedia:

drug [chemical agent]

any chemical substance that affects the functioning of living things and the organisms that infect them. Pharmacology, the science of drugs, deals ... (22 of 1390 words, 3 images)


New World Dictionary:

drug | drugged [past tense] | drugging [present participle]

any substance used as a medicine or as an ingredient in a medicine which kills or inactivates germs, or affects any body function or organ | ... (25 of 93 words, 6 definitions, pronunciation, 1 image)


Collins Dictionary:

drug | drug on the market [sense-specific] | druggy [adjective, derived]

any synthetic, semisynthetic, or natural chemical substance used in the ... | a chemical substance, especially a narcotic, taken for the pleasant ... (21 of 974 words, 6 definitions, 13 usage examples, pronunciation)



drag [entry 1, noun] | drug [dialect, past tense] | pull [synonym, sense-specific] | street [synonym, sense-specific] | costume [synonym, sense-specific] | drag race [synonym, sense-specific] | harrow [synonym, sense-specific] | conveyance [synonym, sense-specific] | burden [synonym, sense-specific] | ...

something used to drag with ; especially, a device for dragging under water to detect or obtain objects | something that is dragged, pulled, or drawn ... (25 of 404 words, 8 definitions, 5 usage examples, pronunciation)


drug [entry 1, noun] | cure [synonym, sense-specific] | medicine [synonym, sense-specific] | medicament [synonym, sense-specific] | medication [synonym, sense-specific] | medicinal [synonym, sense-specific] | pharmaceutical [synonym, sense-specific] | physic [synonym, sense-specific] | remedy [synonym, sense-specific] | ...

[obsolete] a substance used in dyeing or chemical operations ; a substance ... | a commodity that is not salable or for which there is no demand [used ... (27 of 262 words, 3 definitions, pronunciations)


drug [entry 2, verb] | drugged [past tense] | drugging [present participle]

to affect with a drug ; especially, to stupefy by a narcotic drug | to administer a drug to | to lull or stupefy as if with a drug | to take drugs for ... (31 of 72 words, 4 definitions)

www​.merriam-webster​.com​/dictionary​/drug show=1

Random House Dictionary:

drug | drugged [past tense] | Chiefly Midland and Southern U.S [past tense] | drugging [present participle] | Nonstandard [present participle] | Drug | drugs [sense-specific] | drug on the market [sense-specific] | drug up [sense-specific] | ...

[pharmacology] a chemical substance used in the treatment, cure, ... | (in federal law) ; any substance recognized in the official pharmacopoeia or ... (22 of 276 words, 13 definitions, 1 usage example, pronunciations)



drug | drugs [plural] | drugged [past tense] | drugging [present participle] | dapsone [medicine] | disulfiram [medicine] | phentolamine [pharmacology] | sildenafil [pharmacology] | pharmaceutical [synonym, sense-specific]

[pharmacology] A substance used to treat an illness, relieve a symptom, or modify a chemical process in the body for a specific purpose. | [pharmacology] A substance, sometimes addictive, which affects the central nervous system. | A chemical or ... (37 of 233 words, 8 definitions, 9 usage examples, pronunciation)


Oxford Dictionary:

drug | drugged [past tense] | drugging [present participle] | drugs [3rd-person singular present] | do drugs | on drugs

a medicine or other substance which has a physiological effect when ingested or otherwise introduced into the body | a substance taken for its ... (23 of 183 words, 8 definitions, 8 usage examples, pronunciation)


Macmillan British Dictionary:

drug [countable] | drugs [plural]

an illegal substance that affects someone physically or mentally when they ... | a substance that you take to treat a disease or medical problem (24 of 132 words, 2 definitions, 6 usage examples, pronunciation)


drug [transitive, verb] | drugged [past tense] | drugging [present participle] | drugs [3rd-person singular present]

to give a drug to someone so that they will go to sleep or will become unconscious | to put a drug in food or drink so that someone will swallow it ... (31 of 76 words, 2 definitions, 2 usage examples, pronunciation)

www​.macmillandictionary​.com​/dictionary​/british​/drug 14

American Heritage Dictionary:

drug | drugged [past tense] | drugging [present participle] | drugs [3rd-person singular present]

A substance used in the diagnosis, treatment, or prevention of a disease or as a component of a medication. | Such a substance as recognized or ... (25 of 119 words, 7 definitions, 1 usage example, pronunciation)


Cambridge Dictionary:

drug [entry 1]

any natural or artificially made chemical which is used as a medicine (12 of 30 words, 4 usage examples, pronunciation)

dictionary​.cambridge​.org​/dictionary​/british​/drug 1

drug [entry 2]

any natural or artificially made chemical which is taken for pleasure, to ... | any activity that you cannot stop doing (20 of 86 words, 2 definitions, 7 usage examples, pronunciation)

dictionary​.cambridge​.org​/dictionary​/british​/drug 2

drug [entry 3] | -gg- [past tense]

to give someone or something a chemical which causes a loss of feeling or unconsciousness (15 of 70 words, 3 usage examples, pronunciation)

dictionary​.cambridge​.org​/dictionary​/british​/drug 3

Encarta Dictionary:

drug | drugs [plural] | drugged [past tense] | drugging [present participle]

a natural or artificial substance given to treat or prevent disease or to lessen pain | an often illegal and sometimes addictive substance that causes ... (24 of 127 words, 5 definitions, pronunciation)

encarta​.msn​.com​/dictionary 1861606713​/definition​.html  [offline]

Page last updated: 2013-06-26

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