Daft and Mentally ill

Daft adjective - Having or showing a very abnormal or sick state of mind.

Mentally ill and daft are semantically related in sane topic. In some cases you can use "Mentally ill" instead an adjective "Daft".

Mentally ill adjective - Suffering from severe mental illness.

Daft and mentally ill are semantically related in sane topic. Sometimes you can use "Daft" instead an adjective phrase "Mentally ill", if it concerns topics such as unwell in the mind.