English Reference
noun

consultant

n.
US /kənˈsəɫtənt/ UK /kənsˈʌltənt/ con·sul·tant UK spelling consultant's, consultant's

  1. 01 B2 Upper Intermediate

    a person whose job is to give expert advice to a company or organization about a particular subject.

    a professional who provides expert advice or services in a particular field of expertise to a third party for a fee.

    Simple

    The company hired a marketing consultant to help them reach younger customers.

    In context

    After the merger, the board brought in an independent consultant to evaluate the efficiency of the new organizational structure.

    Usage

    Often used with 'on' or 'for' to specify the field of expertise.

  2. 02 C1 Advanced British English Medicine

    a very senior doctor in a hospital who has a lot of experience in a specific area of medicine.

    a senior hospital-based physician or surgeon who has completed specialist training and holds the highest clinical rank.

    Simple

    The consultant told me that I would need a small operation on my knee.

    In context

    The surgical consultant led the multidisciplinary team during the complex procedure, overseeing both the registrars and the nursing staff.

    Teacher's tip

    In American English, this role is usually called an 'attending physician' or simply a 'specialist'.

    specialistattending physician

Alexander Ionides, a consultant eye surgeon at Moorfields Eye Hospital in London says if you have damaged your eyes, the symptoms will start to come on within a few hours.

BBC News· 13 Aug 2026

It comes after consultants and specialist doctors went on strike last week - the first time for these two groups of doctors in Northern Ireland.

BBC News· 29 Jun 2026

From French consultant, present participle of consulter, from Latin cōnsultāre (“to deliberate, consult”), frequentative of cōnsulere (“to consult, deliberate, consider, reflect upon, ask advice”), from com- (“together”) + -sulere, of uncertain origin.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin consulto
Level B2 · Upper Intermediate
Frequency Common
Updated