Learner's definition of INSTANCE
: an example of a particular type of action or situation : an occasion of something happening
an instance of great courage
These delays are just another instance of bureaucratic inefficiency.
We have seen too many instances [=cases] in which poor families have had to leave their homes.
In most instances the disease can be controlled by medication.
They have decided not to oppose the decision in this instance.
: as an example : for example
Lack of insurance is a problem for a lot of older people, like my grandmother, for instance.
Now, take this car, for instance.
in the first instanceformal
: before other events happen : as the first thing in a series of actions