Word for tomorrow:Irony

When I said I wanted to be a mathematician they said ,You must be joking.Was that irony?
irony1
ˈʌɪrəni/
noun
noun: irony
  1. the expression of one’s meaning by using language that normally signifies the opposite, typically for humorous or emphatic effect.
    “‘Don’t go overboard with the gratitude,’ he rejoined with heavy irony”
    synonyms: sarcasm, sardonicism, dryness, causticity,sharpness, acerbity, acid, bitterness, trenchancy,mordancy, cynicism; More
    antonyms: sincerity
    • a state of affairs or an event that seems deliberately contrary to what one expects and is often wryly amusing as a result.
      plural noun: ironies
      “the irony is that I thought he could help me”
      synonyms: paradox, paradoxical nature, incongruity,incongruousness, peculiarity

      “the irony of the situation hit her”
      antonyms: logic
    • a literary technique, originally used in Greek tragedy, by which the full significance of a character’s words or actions is clear to the audience or reader although unknown to the character.
      noun: dramatic irony; plural noun: tragic irony
Origin
early 16th century (also denoting Socratic irony): via Latin from Greek eirōneia ‘simulated ignorance’, from eirōn ‘dissembler’.