WordWeb Online

1. (of quantities) imprecise but fairly close to correct
   "roughly $3,000"
   - approximately, about, close to, just about, some, more or less, around, or so, loosely
    
2. With roughness or violence ('rough' is an informal variant for 'roughly')
   "he was pushed roughly aside"
   - rough
    
3. With rough motion as over a rough surface
   "ride roughly"
   - rough

See also: rough