guarddog
/ˈɡɑrd dɔɡ/
noun
- A dog trained to protect property or people.
- The guarddog barked loudly when a stranger approached the gate.
- A well-trained guarddog can be a loyal and effective protector.
- They keep a guarddog in the yard to scare away intruders.
- A person or organization that monitors and defends against wrongdoing or inefficiency.
- She became a guarddog for fair treatment in the workplace.
- The press acts as a guarddog for democracy, exposing corruption.
- The consumer protection agency is a guarddog for shoppers' rights.