Learn how to say Irony correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word irony:
the humorous or mildly sarcastic use of words to imply the opposite of what they normally mean
an instance of this, used to draw attention to some incongruity or irrationality
incongruity between what is expected to be and what actually is, or a situation or result showing such incongruity
See dramatic irony
(philosophy) See Socratic irony
C16: from Latin ironia, from Greek eirōneia, from eirōn dissembler, from eirein to speak