ill

not in good physical or mental health

• “ill from the monotony of his suffering”

resulting in suffering or adversity

• “ill effects”
• “it”

distressing

• “ill manners”
• “of ill repute”

indicating hostility or enmity

• “you certainly did me an ill turn”
• “ill feelings”
• “ill will”

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”

(`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”

unfavorably or with disapproval

• “tried not to speak ill of the dead”
• “thought badly of him for his lack of concern”

with difficulty or inconvenience; scarcely or hardly

• “we can ill afford to buy a new car just now”

an often persistent bodily disorder or disease; a cause for complaining