Did you know?

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

threshold - 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 [countable]     threshold pronunciation in British English
Word Forms
  1. 1
    a limit at which an arrangement changes. For example a tax threshold is the level of income or profit at which you start to pay a tax
    above/below a threshold:

    The company’s turnover is well below the threshold for VAT registration.

    1. a.
      a level at which something happens. For example, your hearing threshold is the level of sound that you can hear, and your pain threshold is the level of pain that you can feel without suffering or complaining

      changes that take place below the threshold of human perception

  2. 2
    the floor at the entrance to a room or building

    Men were not allowed to cross the threshold.

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