illogicalness

/ɪˈlɑdʒɪkəlnəs/
noun
  1. The quality of being illogical; lack of logical sense.
    • The illogicalness of the excuse made the teacher suspicious.
    • We were all frustrated by the illogicalness of the instructions.
    • The illogicalness of her fear surprised even her friends.
Antonyms