guard Definition

  • 1a person who protects someone or something
  • 2a device worn over the mouth and nose to prevent the inhalation of harmful substances
  • 3a member of a sports team who plays mainly in defense

Using guard: Examples

Take a moment to familiarize yourself with how "guard" can be used in various situations through the following examples!

  • Example

    The security guard checked our IDs before letting us in.

  • Example

    The goalie is the last line of defense and the most important guard on the soccer team.

  • Example

    She wore a mask and a guard over her mouth while working with chemicals.

guard Synonyms and Antonyms

Idioms Using guard

  • let down one's guard

    to stop being careful or watchful


    He let down his guard for just a moment, and that's when the thief stole his wallet.

  • unprepared or not expecting something


    The question caught her off guard, and she didn't know how to answer.

  • to remain watchful and alert


    The soldiers kept guard throughout the night, making sure that no one entered the camp.

Phrases with guard

  • being watchful and ready for danger or difficulty


    The soldiers were on guard all night, watching for any signs of enemy activity.

  • a dog trained to protect people or property


    The guard dog barked loudly when it sensed an intruder.

  • a military organization responsible for enforcing maritime laws, protecting coastlines, and rescuing people in distress at sea


    The coast guard rescued several sailors whose boat had capsized in a storm.

Origins of guard

from Old French 'garder', meaning 'to protect'


Summary: guard in Brief

The term 'guard' [ɡɑːrd] refers to a person or device that protects someone or something. It can also refer to a sports team member who plays mainly in defense. Examples include 'The security guard checked our IDs before letting us in.' and 'She wore a mask and a guard over her mouth while working with chemicals.' Phrases like 'on guard' and idioms like 'let down one's guard' denote watchfulness and preparedness.

How do native speakers use this expression?