doctor
Americannoun
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a person licensed to practice medicine, as a physician, surgeon, dentist, or veterinarian.
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a person who has been awarded a doctor's degree.
He is a Doctor of Philosophy.
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Older Slang. a cook, as at a camp or on a ship.
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Machinery. any of various minor mechanical devices, especially one designed to remedy an undesirable characteristic of an automatic process.
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Angling. any of several artificial flies, especially the silver doctor.
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an eminent scholar and teacher.
verb (used with object)
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to give medical treatment to; act as a physician to.
He feels he can doctor himself for just a common cold.
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to treat (an ailment); apply remedies to.
He doctored his cold at home.
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to restore to original or working condition; repair; mend.
She was able to doctor the chipped vase with a little plastic cement.
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to tamper with; falsify.
He doctored the birthdate on his passport.
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to add a foreign substance to; adulterate.
Someone had doctored the drink.
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to revise, alter, or adapt (a photograph, manuscript, etc.) in order to serve a specific purpose or to improve the material.
to doctor a play.
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to award a doctorate to.
He did his undergraduate work in the U.S. and was doctored at Oxford.
verb (used without object)
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to practice medicine.
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Older Use. to take medicine; receive medical treatment.
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Metallurgy. (of an article being electroplated) to receive plating unevenly.
noun
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a person licensed to practise medicine
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a person who has been awarded a higher academic degree in any field of knowledge
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a person licensed to practise dentistry or veterinary medicine
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Also called: Doctor of the Church. (often capital) a title given to any of several of the leading Fathers or theologians in the history of the Christian Church down to the late Middle Ages whose teachings have greatly influenced orthodox Christian thought
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angling any of various gaudy artificial flies
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informal a person who mends or repairs things
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slang a cook on a ship or at a camp
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archaic a man, esp a teacher, of learning
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a device used for local repair of electroplated surfaces, consisting of an anode of the plating material embedded in an absorbent material containing the solution
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(in a paper-making machine) a blade that is set to scrape the roller in order to regulate the thickness of pulp or ink on it
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a cool sea breeze blowing in some countries
the Cape doctor
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slang to make a great effort or move very fast, esp in a horse race
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something needed or desired
verb
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(tr)
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to give medical treatment to
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to prescribe for (a disease or disorder)
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informal (intr) to practise medicine
he doctored in Easter Island for six years
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(tr) to repair or mend, esp in a makeshift manner
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(tr) to make different in order to deceive, tamper with, falsify, or adulterate
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(tr) to adapt for a desired end, effect, etc
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(tr) to castrate (a cat, dog, etc)
Other Word Forms
Derived Forms
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doctorshipnoun
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subdoctornoun
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superdoctornoun
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underdoctornoun
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doctoraladjective
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doctorialadjective
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doctorlessadjective
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undoctoredadjective
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doctorallyadverb
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doctoriallyadverb
Inflected Forms
Nouns
Participles
Conjugated Forms
Present
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doctorsimple
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doctorssimple
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have doctoredperfect
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has doctoredperfect
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am doctoringprogressive
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are doctoringprogressive
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is doctoringprogressive
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have been doctoringperfect progressive
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has been doctoringperfect progressive
Past
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doctoredsimple
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had doctoredperfect
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was doctoringprogressive
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were doctoringprogressive
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had been doctoringperfect progressive
Future
Etymology
Origin of doctor
First recorded in 1275–1325; Middle English docto(u)r, from Anglo-French, from Latin, from doc(ēre) “to teach” + -tor -tor
Explanation
You see doctor, and you think of someone doing good — like the medical doctor who saves lives. However, a person who doctors or tampers with a document is adding something wrong or harmful to it, like a lie. Doctor is the Latin word for "teacher," which makes sense since your doctor is often the one teaching you about how to take care of your body. Anyone who has a PhD, be it in English or Egyptology, is also referred to as a doctor because she holds a doctorate degree. But beware, there's also a market out there for doctored, or tampered-with diplomas, where you can buy a fake degree to call yourself a doctor.
Vocabulary lists containing doctor
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The influx of international aid has given thousands of people a new way to receive care, including ordinary citizens who had stopped going to the doctor because of cost or bureaucracy.
From The Wall Street Journal • Jul. 11, 2026
But she’s bleeding; he is a doctor, and they’re in a place where no other help is available.
From Salon • Jul. 11, 2026
A doctor can help evaluate their personal cancer risk and determine whether additional screening or follow-up may be appropriate.
From Science Daily • Jul. 10, 2026
The doctor told the court that he would "get involved much earlier in the forthcoming proceedings".
From BBC • Jul. 8, 2026
Pickwick said that the German doctor in charge of the prison hospital was a humane man who occasionally arranged a medical discharge.
From "The Hiding Place" by Corrie ten Boom
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
