Definition, Meaning & Synonyms

ratfink

noun

/ˈratˌfiNGk/

Definition

A person who betrays a friend or associates by informing on them, often seen as a despicable or contemptible person.

Examples

After he told the teacher about his friend’s prank, everyone started calling him a ratfink.
She felt like a ratfink for revealing the surprise party plans.

Meaning

The term ‘ratfink’ describes someone who is considered a traitor, particularly in a context where loyalty is valued. They might expose secrets or inform on someone, leading to mistrust and betrayal.