watchdogPronunciation: /ˈwɒtʃdɒg/Translate watchdog | into French | into German | into Italian | into Spanish Definition of watchdog noun a dog kept to guard private property. a person or group that monitors the practices of companies providing a particular service or utility:the consumer watchdog for transport in London verb (watchdogs, watchdogging, watchdogged) [with object] monitor (a person, activity, or situation):how can we watchdog our investments?watchdog in other Oxford dictionaries Definition of watchdog in the US English dictionary