doctor

doctor — noun

1. someone qualified in medicine who examines health problems and gives treatment f

1.nounA1
Definition

someone qualified in medicine who examines health problems and gives treatment for illnesses or injuries

Example

Diya went to the doctor because her cough would not go away.

go to the doctor (common phrase)

The doctor told Mr. Lam his blood pressure was high and suggested eating less salt.

doctor + tell + person + that-clause

Common collocations
  • see a doctor
  • go to the doctor
  • consult a doctor
  • treat
  • prescribe
  • diagnose
Synonyms
  • physician

    more formal; often restricted to non-surgeons in British English

  • GP

    short for general practitioner; treats all kinds of conditions as first contact

  • surgeon

    a doctor who performs operations

  • medic

    informal; often used in military or student contexts

Usage Note

Used as a title (Dr.) before a person's surname: Dr. Chen. In British English, 'doctor' also covers dentists; in American English, 'Dr.' can refer to both medical doctors and academic degree holders.

Common Mistakes

I went to see a doctor for my headache.' (sentence is correct but 'see a doctor' is more natural as 'go to the doctor').
I went to the doctor for my headache.
'go to the doctor' is the fixed phrase.
I need to see Dr. for my cough.
I need to see Dr. Chen for my cough.
'Dr.' must always be followed by a name.

2. the room, clinic, or building where a doctor meets and treats patients

2.nounA2
Definition

the room, clinic, or building where a doctor meets and treats patients

Example

At the doctor, Sade waited while a nurse prepared the exam room for her check-up.

go to the doctor (place meaning)

The nurse at the doctor's office told Quan to sit in the waiting room.

Common collocations
  • at the doctor
  • go to the doctor
  • the doctor's office
  • call the doctor
Synonyms
  • surgery

    British English term for a doctor's office or clinic

  • clinic

    a facility where patients receive medical treatment, often larger than a single doctor's office

  • practice

    the business or location where a doctor sees patients

Usage Note

"The doctor" can refer to the place of work rather than the person, especially in phrases like "go to the doctor" or "at the doctor." In American English, "the doctor's office" is more explicit.

Common Mistakes

I left my bag at the doctor place.
I left my bag at the doctor.
'at the doctor' already means the doctor's office.
I need to find a doctor near my house.' (ambiguous between person and place).
I need to find a doctor's office near my house.
use 'doctor's office' for the building.

3. someone who has been given a university's highest academic title, for example a

3.nounB2
Definition

someone who has been given a university's highest academic title, for example a Doctor of Philosophy

Example

Dr. Padma Kapoor, a doctor of physics, won an international research award.

doctor of + field (academic title)

Ravindra earned his doctorate in chemistry at the age of twenty-six.

Common collocations
  • doctor of philosophy
  • doctor of laws
  • doctor of medicine
  • honorary doctor
Synonyms
  • PhD

    refers to the degree itself, not the person; 'a PhD in history'

  • doctorate

    the degree itself; 'earn a doctorate'

  • postdoc

    a researcher with a PhD doing further study, not the holder of the title itself

Usage Note

Always used with a specification of the academic field: "doctor of philosophy," "doctor of laws," etc. As a title (Dr.), it is used before the surname in both academic and medical contexts, which can cause ambiguity.

Common Mistakes

She is a doctor in biology.' (rarely used).
She is a doctor of biology.' or 'She has a doctorate in biology.
use 'doctor of + field' for the degree.
Dr. Smith, who is a medical doctor, has a PhD.' (confusing).
Dr. Smith, who is both an MD and a PhD, has two doctorates.
use context to clarify which type of doctor.
Idioms

exactly what someone wanted or needed, often at a perfect time

After a long hike, a cold glass of lemonade was just what the doctor ordered.

A week of warm sunshine was just what the doctor ordered after the rainy spring.

doctor — verb

Word family

Synonym discussion

Sense: noun/1

"Doctor" is the general, everyday term for a trained medical professional. "Physician" is more formal and, in British English, often refers specifically to a doctor who treats illness with medication rather than surgery. "Surgeon" is a doctor who performs operations — all surgeons are doctors but not all doctors are surgeons. A "GP" (general practitioner) provides broad primary care as the first point of contact, while a "specialist" focuses on a single area such as cardiology or dermatology. "Medic" is informal, used for military medical personnel or medical students. For example: "The doctor prescribed antibiotics." "A physician at the hospital reviewed the test results." "A medic treated the soldier's wounds on the battlefield."

Common collocations

Phrases

  • see a doctor
  • go to the doctor
  • doctor's orders

Prepositions

Etymology

LatinEnglish

The word "doctor" comes from Latin 'docere' meaning 'to teach.' In medieval Europe, a doctor was originally a teacher or learned authority, particularly a university scholar qualified to teach. By the 1300s, the title "Doctor of Medicine" was used for university-trained physicians, and over time "doctor" became the everyday word for a medical practitioner. The verb senses developed much later: the 'falsify' sense emerged in the late 1700s from the idea of 'repairing' or 'mending' something, which shifted toward dishonest alteration.