The definition of ironic:

example 1: it's ironic that stupid people don't know they're stupid.

example 2: it's ironic that computers were created to help people and solve problems, but now they seem to create more stress and problems than they actually solve.

example 3: It's ironic that I have ten thousand spoons, when all I need is a knife.

example 4: It's ironic that the above statement isn't actually ironic.

example 5: Neither is the one above this one.