enough enough /iːˈnʌf/

adjective

1. () Sufficient for the purpose  ( nuff [Non-standard] , adequate , enough )
   sufficient for the purpose
    An adequate income
   an adequate income
    The food was adequate
   the food was adequate
    Enough food
   enough food
    Food enough
   food enough
   

adverb

1. () As much as necessary  ( plenty , enough )
   as much as necessary
    Have I eaten enough?
   Have I eaten enough?
    I've had plenty, thanks
   I've had plenty, thanks
   

noun

1. () An adequate quantity; a quantity that is large enough to achieve a purpose  ( sufficiency , enough )
   an adequate quantity; a quantity that is large enough to achieve a purpose
    Enough is as good as a feast
   enough is as good as a feast
    There is more than a sufficiency of lawyers in this country
   there is more than a sufficiency of lawyers in this country