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undercover ( Adverb)
UK /ˌʌn.dəˈkʌv.ər/ US /ˌʌn.dɚˈkʌv.ɚ/
1-
C1
to gather information covertly for the benefit of the government, the police, etc.
-> He hired an undercover detective to follow me.
-> There are undercover police agents getting into the illegal groups.
-> My dad was an undercover officer ; he tracked all the little gangs of thieves in town.
Synonym
hidden
Opposite
known
Word Families
'undercover' Contained Stories
We live on tectonic plates that undeniably shift and move beneath us. Underground, the earth's surface, and the liquid magma are undercover beneath the mantle. They are under pressure, and when they burst, natural disasters happen, such as volcanic explosions and landslides. With the help of computing, we can most of the time successfully forecast events before they happen, such as earthquakes and hurricanes. Natural disasters are a matter of concern. They harm people and infrastructure. Health must be the first and foremost concern. Governments and people should reconsider before making a settlement if it is in a place with frequent natural disaster zones.