i‧ron‧ic /aɪˈrɒnɪk $ aɪˈrɑː-/ (also i‧ron‧i‧cal /-ɪkəl/) adjective

1. an ironic situation is one that is unusual or amusing because something strange happens, or the opposite of what is expected happens or is true:
Your car was stolen at the police station! How ironic!
It’s ironic that her husband smoked for thirty years, and yet she’s the one who died of lung cancer.
In an ironic twist, the most trustworthy character in the film turned out to be the thief.

2. using words that are the opposite of what you really mean, often in a joking way:
ironic comments
When I told Lucy I loved her book, she thought I was being ironic. ⇒ sarcastic

[TahlilGaran] Dictionary of Contemporary English ▲