Did you know?

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

philosophy - 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     philosophy pronunciation in British English
Word Forms
  1. 1
    [uncountable] the study of theories about the meaning of things such as life, knowledge, and beliefs

    He studied politics and philosophy.

    a professor of philosophy

    1. a.
      [countable/uncountable] a system of theories developed by someone as a result of the study of philosophy

      Kant’s moral philosophy

  2. 2
    [countable] a system of beliefs that influences someone’s decisions and behaviour

    The school has a child-centred philosophy.

    1. a.
      [countable] a belief or attitude that someone uses for dealing with life in general

      My philosophy is ‘live and let live’.

quiz invitation


a description of an economic or political situation based on analysis of information at the present time

BuzzWord Article

Open Dictionary


an unregulated form of capitalism that features financial deregulation, privatisation and low tax for high earners

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