Collins COBUILD Advanced Learner's English Dictionary - unfit

1. If you are unfit, your body is not in good condition because you have not been taking regular exercise. Many children are so unfit they are unable to do even basic exercises. ? fit ADJ: usu v-link ADJ 2. If someone is unfit for something, he or she is unable to do it because of injury or illness. He had a third examination and was declared unfit for duty... Mr Abel’s doctor has said he is unfit to travel. ADJ: usu v-link ADJ, ADJ for n, ADJ to-inf 3. If you say that someone or something is unfit for a particular purpose or job, you are criticizing them because they are not good enough for that purpose or job. Existing houses are becoming totally unfit for human habitation... They were utterly unfit to govern America... She is an unfit mother. ? fit ADJ: oft ADJ for n, ADJ to-inf c darkgreen]disapproval