Did you know?

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

artefact - 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]     artefact pronunciation in British English
Word Forms
  1. From our crowdsourced Open Dictionary
    something observed in a scientific investigation or experiment that is not naturally present but occurs as a result of the experiment itself

    Diffraction patterns produced by an x-ray telescope are an artefact of the focussing of x-rays into an image.

    Submitted by Simon Suster from Belgium on 08/12/2015
  2. From our crowdsourced Open Dictionary
    something that is an unintended consequence of something else

    The Indian growth story is not an artefact of good times; it can survive bad times as well.



to manipulate someone psychologically so that they begin to question their own perceptions and memories

BuzzWord Article

Open Dictionary

Dunning-Kruger effect

the phenomenon by which an incompetent person is too incompetent to understand his own incompetence

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