informer
Informer (noun) means someone who secretly tells the authorities about a crime or wrongdoing. Example: “The gang suspected there was an informer in their ranks.”
How to use informer
Learner’s notesIn plain EnglishA person who passes secret information to police or officials, often about criminals.
Usually carries a negative, "snitch"-like tone rather than a neutral one.
Word forms
- Plural
- informers
Fill the gap
Can you complete this real example?
The gang suspected there was an _____ in their ranks.
Etymology
From Anglo-Norman enfourmour — the same root as "inform" plus the "-er" agent ending.