Main entry: unlogical, illogical
Definition: lacking in correct logical relation
Antonyms: logical
Definition: capable of or reflecting the capability for correct and valid reasoning
Main entry: illogical, scattered, garbled, unconnected, confused, disconnected, disjointed, disordered
Definition: lacking orderly continuity
Usage: a confused set of instructions; a confused dream about the end of the world; disconnected fragments of a story; scattered thoughts
Antonyms: coherent
Definition: (physics) of waves having a constant phase relation
Antonyms: ordered, logical, consistent, coherent
Definition: marked by an orderly, logical, and aesthetically consistent relation of parts