anonymoustipster
nounUK /əˈnɒn.ɪ.məs ˈtɪp.stər/
US /əˈnɑː.nə.məs ˈtɪp.stɚ/
A person who gives a secret hint or clue without telling anyone their name.
The anonymoustipster left a note on the teacher's desk about the missing book.
RELATED WORDS
OTHER MEANINGS
2. Someone who shares inside information with a reporter while keeping their identity hidden.
The journalist protected the anonymoustipster who revealed the story.
3. A person who secretly warns others about a problem or danger.
An anonymoustipster told the neighbors about the broken fence before anyone got hurt.
4. A player who gives helpful hints to teammates without revealing who they are.
The anonymoustipster slipped a strategy note under the team's door.