riding trains

i·dle

ˈīdl/

adjective

adjective: idle

1. 1.

   (esp. of a machine or factory) not active or in use.

   
   

   • (of a person) not working; unemployed.

     
     
   • (of a person) avoiding work; lazy.

     
     
   • (of time) characterized by inaction or absence of significant activity.

     
     

     
     
   • (of money) held in cash or in accounts paying no interest.
2. 2.

   without purpose or effect; pointless.

   "

   • (esp. of a threat or boast) without foundation.

     
     

verb

1. (of a person) spend time doing nothing; be idle.

   "

   • move aimlessly or lazily.

     
     
   • (of an engine) run slowly while disconnected from a load or out of gear.

     
     
   • cause (an engine) to idle.

     
     
   • take out of use or employment.

     "