Irony is a literary or stylistic device in which one states something that is in discordance with what is expected. In brief, irony is when someone says one thing but means something else. An understanding of irony depends entirely on an understanding of context. If it is raining and you say, "nice weather we"re having, don"t you think?" then there is evidence of irony. Without the context, i.e. rain, the meaning is...