"Roam" means to move about or travel around in a random, leisurely or aimless way. For example, if you are at the park and I tell you to roam around, it means you can go wherever you want in the park, play on the swing, or walk around without a specific place you need to go.
Which of these examples is the odd one out?
Children are usually advised not to roam the streets after dark for their safety
With the application of the roaming service on my mobile, I can easily make calls when I am abroad
I want to roam the country by staying in my room
The wild horses love to roam freely across the vast grasslands
During our holiday, we spent days just roaming around the beautiful countryside
