from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A narcotic, especially an addictive narcotic.
  • noun Narcotics considered as a group.
  • noun An illicit drug, especially marijuana.
  • noun A narcotic preparation used to stimulate a racehorse.
  • noun Informal A stupid person; a dolt.
  • noun Informal Factual information, especially of a private nature.
  • noun Chemistry An absorbent or adsorbent material used in certain manufacturing processes, such as the nitroglycerin used in making dynamite.
  • noun A type of lacquer formerly used to protect, waterproof, and tauten the cloth surfaces of airplane wings.
  • noun Chiefly Southern US A carbonated soft drink containing an extract of the kola nut and other flavorings.
  • noun Lower Northern US Syrup or sweet sauce poured on ice cream.
  • intransitive verb To administer a narcotic to.
  • intransitive verb To add a narcotic to.
  • intransitive verb To administer a performance-enhancing substance to (an athlete).
  • intransitive verb To subject (an athlete) to blood doping.
  • intransitive verb Electronics To treat (a semiconductor) with a dopant.
  • intransitive verb To take narcotics or a performance-enhancing substance.
  • intransitive verb To engage in blood doping.
  • adjective Excellent; outstanding.

from The Century Dictionary.

  • To drug; stupefy with drugs, such as ‘knock-out drops’ (hydrate of chloral), or the like: as, to dope a race-horse.
  • To indulge habitually in the use of opium or other drugs either for the pleasurable sensations produced or as anesthetics.
  • noun Opium, especially the thick treacle-like preparation used in opium-smoking.
  • noun 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.
  • noun A person under the influence of, or addicted to the use of, some dope.
  • noun Any thick liquid, as a thick sauce, thick gruel, or other semi-fluid or pasty thing for eating. Specifically
  • noun A thick pasty lubricant; specifically, axle-grease.
  • noun . Any absorbent material, as cotton-waste or sand, used to absorb and hold a lubricant or other liquid.

from the GNU version of the Collaborative International Dictionary of English.

  • transitive verb Slang, Race-track Slang, Slang, Race-track Slang To treat or affect with dope;
  • transitive verb Slang, Race-track Slang, Race-track Slang To give stupefying drugs to; to drug.
  • transitive verb Race-track Slang To administer a stimulant to (a horse) to increase his speed. It is a serious offense against the laws of racing.
  • transitive verb Slang To judge or guess; to predict the result of, as by the aid of dope.
  • transitive verb to impregnate with a dopant.
  • noun Any thick liquid or pasty preparation, as of opium for medicinal purposes, of grease for a lubricant, etc.
  • noun Slang or Cant Any preparation, as of opium, used to stupefy or, in the case of a race horse, to stimulate.
  • noun 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.
  • noun 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.
  • noun colloq. an ignorant or stupid person.
  • noun learn the true story; get the inside information.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun uncountable Any viscous liquid or paste, such as a lubricant, used in preparing a surface.
  • noun uncountable An absorbent material used to hold a liquid.
  • noun 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.
  • noun uncountable, slang Any narcotic or similar drug which produces euphoria or satisfies an addiction; particularly heroin, although amphetamine, methamphetamine,
  • noun uncountable, slang Any illicit & opioid drug.
  • noun uncountable, slang Information.
  • noun countable, slang A stupid person.
  • verb transitive, slang To affect with drugs.


from The American Heritage® Dictionary of the English Language, 4th Edition

Dutch doop, sauce, from doopen, to dip.


  • Now "dope" is not a slang word, as you may be thinking, gentle reader.

    In Times Like These

  • Sounds like this dope is literally at the end of his political rope.

    Sanford lashes out at the media

  • Washed clean with bug-killin 'dope before we stitched.


  • He claimed that he must have time in which to steal the dope from the dispensary.

    Chapter 2

  • Let's face it, anyone that hangs around schools selling dope is a maggot and deserves to be treated as such.

    Archive 2007-07-01

  • You do your homework on them and make sure you have a good feel – Thorn traded away Eddie Griffin to get RJ & Collins, for example – but, geez, smoking dope is a real “character problem”?

    Matthew Yglesias » Yi

  • November 16th, 2005 at 9: 25 pm grandpa says: this true American dope is a microcephalic idiot, NO?

    Think Progress » “Bush Was Right!” — The New Hit Single Ready to Rock a Generation

  • The latest etiquette books say that smoking dope is proper and right if it's offered by an older family member.

    Director's Cut

  • Nope, for the time being, I think I'm happy with a little rope-a-dope from the candidate himself, who's holding a modest lead on points in the early rounds.

    Primary Returns

  • Keep your eye on the man who refers to women as the "fair sex" – he is a dealer in dope!

    In Times Like These


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  • I love this word, but only as a noun.

    April 12, 2009