Definition of 'Incapable', 'Legal', 'Paranoid', and 'Delusion' in English

'Incapable' means lacking the necessary skills, ability, or capacity to do something. 'Legal' refers to something that is allowed or permitted according to the law. 'Paranoid' describes a mental state characterized by intense suspicion, mistrust, or fear of others. 'Delusion' refers to a false belief or perception that is firmly held despite evidence or rational arguments to the contrary.