1. A structure commanding a wide view of its surroundings
   "From the lookout, visitors could see the entire cityscape";
   - observation tower, lookout station, observatory
    
2. An elevated post affording a wide view
   "The soldiers manned the lookout to monitor enemy movements";
   - observation post
    
3. A person employed to keep watch for some anticipated event
   "the lookout stayed in his box to avoid the cold";
   - sentinel, sentry, watch, spotter, scout
    
4. The act of looking out
   "The captain assigned a sailor to lookout duty";
   - outlook

1. Be vigilant, be on the lookout or be careful
   "Look out for ice on the road";
   - watch, watch out
    
2. To protect someone's interests
   "A man's gotta look out for his family"

Derived forms: looks out, looked out, lookouts, looking out

Type of: act, butcher's [Brit, slang], construction, gander [informal], look, looking, looking at, move, post, protect, security guard, station, structure, watcher

Encyclopedia: Lookout, United States