exasperatingly difficult to handle or circumvent; "a nasty problem"; "a good man to have on your side in a tight situation"
offensive or even (of persons) malicious; "in a nasty mood"; "a nasty accident"; "a nasty shock"; "a nasty smell"; "a nasty trick to pull"; "Will he say nasty things at my funeral?"- Ezra Pound
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"
not easily perturbed or excited or upset; marked by extreme calm and composure; "hitherto imperturbable, he now showed signs of alarm"; "an imperturbable self-possession"; "unflappable in a crisis"
wishing or appearing to wish evil to others; arising from intense ill will or hatred; "a gossipy malevolent old woman"; "failure made him malevolent toward those who were successful"
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"
excessively quick; "made a hasty exit"; "a headlong rush to sell"
done with very great haste and without due deliberation; "hasty marriage seldom proveth well"- Shakespeare; "hasty makeshifts take the place of planning"- Arthur Geddes; "rejected what was regarded as an overhasty plan for reconversion"; "wondered whether they had been rather precipitate in deposing the king"