1 not good enough; not in a suitable state: He has been ill and is quite unfit to travel.
az: kefsiz; naxoş
ru: не совсем здоровый
2 (of a person, dog, horse etc) not as strong and healthy as is possible: You become unfit if you don't take regular exercise.
az: zəif, xəstəhal
ru: нездоровый