Kooky and Of unsound mind

Kooky adjective - Different from the ordinary in a way that causes curiosity or suspicion.

Of unsound mind and kooky are semantically related In some cases you can use "Of unsound mind" instead an adjective "Kooky".

Of unsound mind adjective - Not of sound mind, memory, or understanding; in law, not competent to go to trial.

Kooky and of unsound mind are semantically related in crazy topic. Sometimes you can use "Kooky" instead an adjective phrase "Of unsound mind", if it concerns topics such as insane, mentally strange.