i Register
In some senses, watchdog is marked as figuratively. Watch for register when choosing this word.
ADJ
consumer | financial, health, industry, pollution, safety | government, independent, official
VERB + WATCHDOG
act as, be
WATCHDOG + NOUN
body, group, organization | role
PREP
~ for
Environmental groups act as watchdogs for air quality in industrial cities.
~ on
An independent watchdog on food safety inspects restaurants every month.
~ over
The environmental group serves as a watchdog over pollution levels in our city.