Often the word ironic is misused to remark on a coincidence, such as This is the third time today we've run into each other. How ironic. It is also mistakenly used to describe something out of the ordinary or unusual: Yesterday was a beautiful, warm day in November. It was really ironic.
What is the effect of ironic?
Most forms of irony display a disparity between what the characters think can, should, or will happen and what actually transpires. This can spark strong feelings in the reader and serve as a way to teach practical or moral lessons.
Is irony always negative?
5.2 Irony Is Always Negative.