Synonyms of 'watchdog'
the government's consumer watchdog, the Office of Fair Trading
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The custodian of an official building, a companies' assets, or something else valuable is the person who is officially in charge of it.
the custodian of the holy shrine in Mecca
A guardian is someone who has been legally appointed to look after the affairs of another person, for example a child or someone who is mentally ill.
He regards himself as a guardian of traditional values.
An inspector is a person, usually employed by a government agency, whose job is to find out whether people are obeying official regulations.
The mill was finally closed down by safety inspectors.
Thesaurus for watchdog from the Collins English Thesaurus
A watchdog is a person or committee whose job is to make sure that companies do not act illegally or irresponsibly.