WordWeb Online

1. Not slowed or blocked or interfered with
   "an outlet for healthy and unhampered action"; "a priest unhampered by scruple"; "the new stock market was unhampered by tradition"
   - unhindered
    
2. Not held in check or subject to control
   "unhampered dissemination of news"; "this would give black people the opportunity to live unhampered by racism"

See also: free, unrestrained