On Guard

Synonyms of on guard

• alert
• vigilant
• watchful

Antonyms of on guard

• unaware
• unprepared
• careless

Collocations of on guard

on guard

Frequency: 70 %

The security guard was on guard all night.

on guard

Frequency: 60 %

She remained on guard for any signs of danger.

on guard

Frequency: 50 %

The soldiers were on guard at the entrance.

on guard

Frequency: 45 %

He was on guard against making any mistakes.

on guard

Frequency: 40 %

The team was on guard for any sudden changes in the weather.

Idiomatic Expressions for on guard

• Phrase: put on guard
  Meaning: to alert or warn someone about a potential danger or threat
  Usage: The security guard put the building on guard after receiving reports of a suspicious individual lurking around.