WordWeb Online

1. Not parted by conflict of opinion
   "presented an undivided front"
    
2. Not shared by or among others
   "undivided responsibility"
    
3. Not divided among or brought to bear on more than one object or objective
   "undivided affection"
   - single, exclusive
    
4. Not separated into parts or shares; constituting an undivided unit
   "an undivided interest in the property"

See also: concentrated, united, unshared, whole