Learner's definition of PLENTIFUL
[more plentiful; most plentiful]
present in large amounts
When I was a teenager, jobs were plentiful [=there were plenty of jobs] and the economy was strong.
Gasoline won't always be cheap and plentiful.
Space is plentiful enough for several homes.
plentiful amounts of rain
Natural gas is a plentiful resource.
Doctors and nurses are now in plentiful supply. = There is now a plentiful supply of doctors and nurses.
containing or giving large amounts of something
suggests a large or rich supply of something.
We moved to the city where jobs are more plentiful.
a plentiful supply of fruits and vegetables
Oranges are plentiful this summer.
suggests a very large supply that is far greater than what is necessary.
suggests an amount that may not be very large but that is more than enough in a specific situation.