From Longman Dictionary of Contemporary Englishunfitun‧fit /ʌnˈfɪt/ adjective1FIT PERSON#not in a good physicalconditionSYN out of shapeShe never gets any exercise – she must be really unfit.2GOOD ENOUGH#not good enough to do something or to be used for a particular purposeunfit forJenkins is unfit for public office.The meat was declared unfit for human consumption (=not suitable to eat).The house was unfit for human habitation (=not good enough to live in).unfit to do somethingHubbard was declared mentally unfit to stand trial.Examples from the Corpusunfit• Other charges include driving while disqualified, driving while unfitdue to drink, without insurance and without a licence.• I realised how unfit I was when I tried to run up the stairs.• For the unfitindividual, three times per week should be the maximum number of exercisesessions.• The survey shows that the typical 16-year-old is unfit, lazy, and probably plays no sports at all.• an unfitmother• The aim was to remove persons who were unfit to be ministers of religion either because of incompetence or scandalousbehaviour.• Finally, there is a group of patients who are considered mentally unfit to make decisions concerning themselves.• Sometimes the Senate would decree that the son of a deceasedemperor was unfit to succeed his father.• The doctor had told her that she was unfit to travel, but she came home anyway.• Please say briefly why you are unfit to work.mentally unfit• What if the patient is mentally unfit or is a terminally illminor?• But more alarmingly, a planned fraudtrial was scrapped because Burke was deemedmentally unfit to appear in the dock.• The judgeruled that he was mentally unfit to be tried.• Finally, there is a group of patients who are considered mentally unfit to make decisions concerning themselves.• Her 80-year-old husband, Harry, had been declaredmentally unfit to stand trial.