1. the quality or state of being ironical; the use of words to express something different from their literal meaning
Usage: rare; formal

Examples

• The ironicalness of his comment was lost on the audience.
• She spoke with such ironicalness that no one knew her true feelings.
• The ironicalness of the situation became apparent only later.
• His writing was marked by a subtle ironicalness.
• The ironicalness in her voice suggested she meant the opposite.