1.an often persistent bodily disorder or disease; a cause for complaining
2.not in good physical or mental health;
ill from the monotony of his suffering
3.resulting in suffering or adversity;
ill effects
4.distressing;
ill manners
5.indicating hostility or enmity;
you certainly did me an ill turn
6.presaging ill-fortune;
ill omens
7.(`ill' is often used as a combining form) in a poor or improper or unsatisfactory manner; not well;
he was ill prepared
8.unfavorably or with disapproval;
tried not to speak ill of the dead
9.with difficulty or inconvenience; scarcely or hardly;
we can ill afford to buy a new car just now