Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “guard”

guard

noun [C]
 
 
/ɡɑːd/
WORKPLACE a piece of equipment that protects the user of a machine from being injured by a sharp or dangerous part on the machine: Make sure that the safety guard is in position before using the cutting machine.
a person or group of people whose job is to protect a person, place or thing, or to prevent a person, such as a criminal, from escaping: a night guard at a bank border/prison/security guards
be on your guard (against sth) to be careful to avoid being tricked or getting into a dangerous situation: Stores must always be on their guard against credit card fraud.
(Definition of guard noun from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of guard?
Add Cambridge dictionaries to your browser to your website

Definitions of “guard” in other dictionaries

Word of the Day

monster

any imaginary frightening creature, especially one that is large and strange

Word of the Day

What’s that lovely smell?

by Kate Woodford,
October 29, 2014
As adult humans, we can distinguish about 10,000 different smells. It’s no wonder, then, that we have so many words and expressions to describe them. This week we’re taking a look at those smell words – words that describe good smells and words that describe bad smells. Most smell words are either

Read More 

high-frequency trading noun

October 27, 2014
a type of stock market trading that uses very complex technology to trade extremely quickly, often making tiny profits which nevertheless add up to substantial sums Lewis’s book, Flash Boys, is driving a huge amount of attention toward the topic of high frequency trading, and it has rekindled some of

Read More