dope

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Informal A narcotic, especially an addictive narcotic.
2. n. Informal Narcotics considered as a group.
3. n. Informal An illicit drug, especially marijuana.
4. n. A narcotic preparation used to stimulate a racehorse.
5. n. Informal A stupid person; a dolt.
6. n. Informal Factual information, especially of a private nature.
7. n. Chemistry An absorbent or adsorbent material used in certain manufacturing processes, such as the nitroglycerin used in making dynamite.
8. n. A type of lacquer formerly used to protect, waterproof, and tauten the cloth surfaces of airplane wings.
9. n. Chiefly Southern U.S. See cola¹.
10. n. Lower Northern U.S. Syrup or sweet sauce that is poured on ice cream.
11. v. Informal To administer a narcotic to: was doped up for the operation.
12. v. Informal To add a narcotic to: They doped his drink before robbing him.
13. v. Informal To administer a performance-enhancing substance to (an athlete).
14. v. Informal To subject (an athlete) to blood doping.
15. v. Informal To figure out (a puzzle, for example).
16. v. Informal To make a rough plan of: doped out our proposal on scratch paper.
17. v. Electronics To treat (a semiconductor) with a dopant.
18. v. Informal To take narcotics or a performance-enhancing substance.
19. v. Informal To engage in blood doping.

Century Dictionary and Cyclopedia

1. n. Any thick liquid, as a thick sauce, thick gruel, or other semi-fluid or pasty thing for eating. Specifically
2. n. A thick pasty lubricant; specifically, axle-grease.
3. n. . Any absorbent material, as cotton-waste or sand, used to absorb and hold a lubricant or other liquid. Thus, cotton-waste is used as dope on railroads around the axles of the wheels to hold the oil used for lubrication; and in the manufacture of dynamite sand is used to hold the nitroglycerin.
4. n. Opium, especially the thick treacle-like preparation used in opium-smoking.
5. n. Any drug, such as opium, laudanum, morphine, cocaine, hydrate of chloral, hashish, etc., which has the property of inducing sleep or of stupefying; a narcotic.
6. n. A person under the influence of, or addicted to the use of, some dope.
7. To drug; stupefy with drugs, such as ‘knock-out drops’ (hydrate of chloral), or the like: as, to dope a race-horse.
8. To indulge habitually in the use of opium or other drugs either for the pleasurable sensations produced or as anesthetics.

Wiktionary

1. n. uncountable Any viscous liquid or paste, such as a lubricant, used in preparing a surface.
2. n. uncountable An absorbent material used to hold a liquid.
3. n. uncountable, aeronautics Any varnish used to coat a part, such as an airplane wing or a hot-air balloon in order to waterproof, strengthen, etc.
4. n. uncountable, slang Any narcotic or similar drug which produces euphoria or satisfies an addiction; particularly heroin, although amphetamine, methamphetamine,
5. n. uncountable, slang Any illicit & opioid drug.
6. n. uncountable, slang Information.
7. n. countable, slang A stupid person.
8. v. transitive, slang To affect with drugs.
9. v. transitive To treat with dope (lubricant, etc.).
10. v. transitive, electronics To add a dopant such as arsenic to (a pure semiconductor such as silicon).
11. v. slang To use drugs.
12. adj. slang Great, amazing or extraordinary.

GNU Webster's 1913

1. n. Any thick liquid or pasty preparation, as of opium for medicinal purposes, of grease for a lubricant, etc.
2. n. Slang or Cant Any preparation, as of opium, used to stupefy or, in the case of a race horse, to stimulate.
3. n. An absorbent material; esp., in high explosives, the sawdust, infusorial earth, mica, etc., mixed with nitroglycerin to make a damp powder (dynamite, etc.) less dangerous to transport, and ordinarily explosive only by suitable fulminating caps.
4. n. Sporting Slang Information concerning the previous performances of race horses, or other facts concerning them which may be of assistance in judging of their chances of winning future races; similar information concerning other sports; by extension, any information not generally known, especially when coming from an inside source.
5. n. colloq. an ignorant or stupid person.
6. v. Slang, Race-track Slang, Slang, Race-track Slang To treat or affect with dope; .
7. v. Slang, Race-track Slang, Race-track Slang To give stupefying drugs to; to drug.
8. v. Race-track Slang To administer a stimulant to (a horse) to increase his speed. It is a serious offense against the laws of racing.
9. v. Slang To judge or guess; to predict the result of, as by the aid of dope.
10. v. to impregnate with a dopant.

WordNet 3.0

1. v. give a narcotic to
2. n. an ignorant or foolish person
3. n. street names for marijuana
4. v. add impurities to (a semiconductor) in order to produce or modify its properties
5. n. carbonated drink flavored with extract from kola nuts (`dope' is a southernism in the United States)
6. v. take drugs to improve one's athletic performance
7. n. slang terms for inside information