[adjective] - existing as a whole, not in separate parts1989 saw the fall of the Berlin Wall and the rebirth of an undivided Germany.Undivided attention is complete attention.If you just wait till I've finished this bit of work you will have/I will give you my undivided attention.
UNDIVIDED
Meaning of UNDIVIDED in English
Cambridge English vocab. Кембриджский английский словарь. 2012