Definition
to be mindful of what is occurring and exercise caution
You should always look out for your surroundings when crossing the street.
We must look out for any suspicious activities when entering unfamiliar areas.
Look out for falling rocks while climbing.
- B1
used to alert someone that they are at risk or in danger
Look out! A car is coming towards us quickly from behind!
When she entered the party happening tonight, her friends told her to look out.
At the beach, parents should always remind their children to look out for the changing waves.