informer

noun/ɪnˈfɔrmər/

Frequency rank: #13,184 of 20,003 in the WORDED list (wordfreq data)

Meaning

a person who secretly gives information about someone to the police or authorities

Illustration for the English word “informer”

Example sentence

The police caught the criminal thanks to a tip-off from their informer working inside the gang.

Synonyms & related words

More words in ranks 13,101–13,200