**Here are some examples of using the word «lookout»:**
1. The captain ordered the crew to keep a constant lookout for any signs of land on the horizon.
2. She always keeps a lookout for suspicious characters when walking home alone at night.
3. The police officer was on lookout duty at the intersection to prevent any accidents.
4. The mountain climber carefully scanned the lookout to make sure there were no obstacles on the route.
5. The campers set up a lookout post to watch for any approaching animals.
6. The security guard was on lookout at the entrance to the building to prevent unauthorized entry.
7. The teacher instructed the students to keep a lookout for their classmates who might be lost in the crowd.
8. The ship's lookout reported that he saw a sail on the horizon, which meant that another ship was approaching.
9. The hikers decided to take turns keeping lookout while they were hiking in the mountains.
10. The lookout tower provided a good view of the surrounding area, allowing the guards to keep an eye on everything happening outside.