Did you know?

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

pipe - 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.



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] pipe pronunciation in British English /paɪp/
Word Forms
  • Facebook
  • Twitter
  1. 1
    a tube that carries liquid or gas from one place to another
    The pipes had frozen during the severe weather.
    lay a pipe: Workers were laying water pipes outside the house.
    a pipe leads/runs somewhere: A pipe runs to the hot water tap in the kitchen.
  2. 2
    an object used for smoking tobacco, consisting of a tube with a small bowl at the end
    a pipe smoker
    light a pipe: He filled his pipe with tobacco and lit it.
    puff on/at a pipe: The old man puffed thoughtfully away at his pipe.


a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

BuzzWord Article

Word of the Day


a stupid person

Open Dictionary


an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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