presaging ill fortune; "ill omens"; "ill predictions"; "my words with inauspicious thunderings shook heaven"- P.B.Shelley; "a dead and ominous silence prevailed"; "a by-election at a time highly unpropitious for the Government"
distressing; "ill manners"; "of ill repute"
resulting in suffering or adversity; "ill effects"; "it's an ill wind that blows no good"
indicating hostility or enmity; "you certainly did me an ill turn"; "ill feelings"; "ill will"
affected by an impairment of normal physical or mental function; "ill from the monotony of his suffering"
(`ill' is often used as a combining form) in a poor or improper or unsatisfactory manner; not well; "he was ill prepared"; "it ill befits a man to betray old friends"; "the car runs badly"; "he performed badly on the exam"; "the team played poorly"; "ill-fitting clothes"; "an ill-conceived plan"
with difficulty or inconvenience; scarcely or hardly; "we can ill afford to buy a new car just now"
unfavorably or with disapproval; "tried not to speak ill of the dead"; "thought badly of him for his lack of concern"
not subject to the control of the will; "involuntary manslaughter"; "involuntary servitude"; "an involuntary shudder"; "It (becoming a hero) was involuntary. They sank my boat"- John F.Kennedy
controlled by the autonomic nervous system; without conscious control; "involuntary muscles"; "gave an involuntary start"
so badly formed or out of shape as to be ugly; "deformed thalidomide babies"; "his poor distorted limbs"; "an ill-shapen vase"; "a limp caused by a malformed foot"; "misshapen old fingers"
a venture undertaken without regard to possible loss or injury; "he saw the rewards but not the risks of crime"; "there was a danger he would do the wrong thing"
the probability of being exposed to an infectious agent
the probability of becoming infected given that exposure to an infectious agent has occurred
expose to a chance of loss or damage; "We risked losing a lot of money in this venture"; "Why risk your life?"; "She laid her job on the line when she told the boss that he was wrong"
having momentous consequences; of decisive importance; "that fateful meeting of the U.N. when...it declared war on North Korea"- Saturday Rev; "the fatal day of the election finally arrived"