[usually in imperative] Be vigilant and take notice: “Look out!” warned Billie, seeing a movement from the room beyond look out for the early warning signals
More example sentences
- I just hope they will take notice of warning signs we have put up and look out for them on the roads.
- ‘Look out! Look out!’ they cried to their fellow crew members.
- ‘Look out!’ I yelled, diving toward Scott.