Did you know?

Click any word in a definition or example to find the entry for that word

treatment - definition and synonyms

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

Thesaurus diagram

The thesaurus of synonyms and related words is fully integrated into the dictionary. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning.

noun     treatment pronunciation in American English
Word Forms
  1. 1
    [uncountable] the process of providing medical care
    treatment of:

    These drugs are for the treatment of tropical diseases.

    treatment for:

    They were taken to Cape Cod hospital for treatment for burns and smoke inhalation.

    receive/undergo treatment:

    She was undergoing treatment for breast cancer.

    respond to treatment (=improve because of it):

    The patient is responding well to treatment.

    1. a.
      [countable] a particular method or type of medical care
      treatment for:

      They have developed a revolutionary new treatment for heroin addiction.

  2. 2
    [uncountable] the particular way in which you deal with someone
    treatment of:

    the treatment of prisoners

    preferential treatment (=better treatment than anyone else):

    It was discovered that one group got preferential treatment.

    1. a.
      the way in which a subject is dealt with, especially in art or literature
      treatment of:

      The book’s treatment of village life is very realistic.

  3. 3
    [countable/uncountable] a process in which a substance is put on something, for example in order to preserve or clean it
    treatment of:

    This is a new product for the treatment of industrial waste.

  • Facebook
  • Twitter


a lifestyle focussing on simple pleasures such as comfort and cosiness in the home, and spending time with friends and family

BuzzWord Article

Open Dictionary


a form of location that involves the underwater detonation of a bomb which causes sound waves that are picked up by ships

add a word


A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog
Macmillan learn live love play