a person or thing that squeals, a person who informs on someone to the police or a person in authority

Formal and Informal Expressions of squealer

In different contexts, you can replace 'squealer' with suitable alternatives. In a more informal setting, 'rat, snitch' is apt.

squealer: Explore its Definition & Usage

squealer Definition

1a person or thing that squeals
2a person who informs on someone to the police or a person in authority

Using squealer: Examples

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

Example
The little girl was a squealer and told her mother everything.
Example
He was labeled a squealer after he informed the police about his friend's illegal activities.
Example
The gang members threatened to hurt anyone who acted as a squealer.

squealer Synonyms and Antonyms

Synonyms for squealer

Phrases with squealer

squeal on someone
to inform on someone, especially to the police or a person in authority
Example
He was afraid that his friend would squeal on him if he didn't pay back the money he owed.
squeal like a stuck pig
to make a loud, high-pitched noise, especially when in pain or distress
Example
When he fell off the bike, he squealed like a stuck pig.
squeal with delight
to express great pleasure or excitement in a high-pitched voice
Example
The children squealed with delight when they saw the presents under the Christmas tree.

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Summary: squealer in Brief

'Squealer' [skwiːlər] refers to a person or thing that makes a high-pitched noise. It can also be used to describe a person who informs on someone to the police or a person in authority. The phrase 'squeal on someone' means to inform on someone, while 'squeal like a stuck pig' and 'squeal with delight' are idiomatic expressions.