situational irony vs. dramatic irony

situational irony

[sich-oo-ey-shuh-nl ahy-ruh-nee, ahyer-] / ˈsɪtʃ uˌeɪ ʃə nl ˈaɪ rə ni, ˈaɪər- /

noun

irony involving a situation in which actions have an effect that is opposite from what was intended, so that the outcome is contrary to what was expected.

dramatic irony

[druh-mat-ik ahy-ruh-nee, ahy-er-nee] / drəˈmæt ɪk ˈaɪ rə ni, ˈaɪ ər ni /

irony that is inherent in speeches or a situation of a drama and is understood by the audience but not grasped by the characters in the play.