twistical adjective2 •(informal, no longer used) Crooked; tortuous.He had queer twistical ways of reasoning which often proved the contrary of what he seemed to want to prove — 1871 •(informal, no longer used) Perverse; unfair; dishonest.Godward he is an excellent man, manward he is rather twistical. — 1797 formsmore twistical · most twistical