Did you know?

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

Mylar - definition and synonyms

Close
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.

noun trademark
  1. From our crowdsourced Open Dictionary
    a form of polyester resin used to make heat-resistant plastic films and sheets

    She unzipped the backpack and searched for the Mylar emergency blanket.

    Submitted by Tionee from United States on 15/01/2017
BuzzWord

gaslight

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

Blog

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