- illogical⇄adv. illogically.
- illogical⇄illogical, adjective.
1. contrary to the principles of sound reasoning; not logical; fallacious; unsound.
Ex. an illogical reason. Her illogical behavior makes it hard to guess what she will do next.
2. not reasonable; foolish.
Ex - illogical⇄noun illogicalness.