Did you know?

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

Disloyal people

Judas

noun

someone who hurts a friend by behaving in a way that is not loyal

traitor

noun

someone who is not loyal to their friends, family, or employer

turncoat

noun

someone who stops supporting a particular group and joins an opposing group

rat

noun

someone who is not loyal or who tricks you

fifth column

noun

a group of people who secretly support enemies of their country or opponents of the organization they belong to

a snake in the grass

someone you cannot trust

fifth columnist

noun

betrayer

noun

cyberloafing

using the Internet where you work, during working hours, for activities which are not work-related

BuzzWord Article

Word of the Day

neutrino

a particle that is smaller than an atom and has no electrical charge

Open Dictionary

show a bit of ankle

… to reveal a small part of your intentions in order to attract support, without actually committing yourself to doing anything

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