The difference between Ill and Sick

When used as nouns, ill means trouble, whereas sick means sick people in general as a group.

When used as adjectives, ill means evil, whereas sick means having an urge to vomit.

Ill is also adverb with the meaning: not well.

Sick is also verb with the meaning: to vomit.

check bellow for the other definitions of Ill and Sick

  1. Ill as an adjective (obsolete):

    Evil; wicked (of people).

  2. Ill as an adjective (archaic):

    Morally reprehensible (of behaviour etc.); blameworthy.

  3. Ill as an adjective:

    Indicative of unkind or malevolent intentions; harsh, cruel.

    Examples:

    "He suffered from ill treatment."

  4. Ill as an adjective:

    Unpropitious, unkind, faulty, not up to reasonable standard.

    Examples:

    "'ill manners; ill will"

  5. Ill as an adjective:

    Unwell in terms of health or physical condition; sick.

    Examples:

    "I've been ill with the flu for the past few days."

  6. Ill as an adjective:

    Having an urge to vomit.

    Examples:

    "Seeing those pictures made me ill."

  7. Ill as an adjective (hip-hop slang):

    Sublime, with the connotation of being so in a singularly creative way.

  8. Ill as an adjective (slang):

    Extremely bad (bad enough to make one ill). Generally used indirectly with to be.

    Examples:

    "That band was ill."

  1. Ill as an adverb:

    Not well; imperfectly, badly; hardly.

  1. Ill as a noun (often [[pluralize]]d):

    Trouble; distress; misfortune; adversity.

    Examples:

    "Music won't solve all the world's ills, but it can make them easier to bear."

  2. Ill as a noun:

    Harm or injury.

    Examples:

    "I wouldn't want you to do me ill."

  3. Ill as a noun:

    Evil; moral wrongfulness.

  4. Ill as a noun:

    A physical ailment; an illness.

    Examples:

    "I am incapacitated by rheumatism and other ills."

  5. Ill as a noun (US, slang):

    PCP, phencyclidine.

  1. Sick as an adjective:

    Having an urge to vomit.

  2. Sick as an adjective (chiefly, American):

    In poor health.

    Examples:

    "She was sick all day with the flu."

  3. Sick as an adjective (colloquial):

    Mentally unstable, disturbed.

  4. Sick as an adjective (colloquial):

    In bad taste.

    Examples:

    "That's a sick joke."

  5. Sick as an adjective:

    Tired of or annoyed by something.

    Examples:

    "I've heard that song on the radio so many times that I'm starting to get sick of it."

  6. Sick as an adjective (slang):

    Very good, excellent, awesome, badass.

    Examples:

    "This tune is sick."

    "Dude, this car's got a sick subwoofer!"

  7. Sick as an adjective:

    In poor condition.

    Examples:

    "'sick building syndrome; my car is looking pretty sick; my job prospects are pretty sick'"

  8. Sick as an adjective (agriculture):

    Failing to sustain adequate harvests of crop, usually specified.

  1. Sick as a noun:

    Sick people in general as a group.

    Examples:

    "We have to cure the sick."

  2. Sick as a noun (British, colloquial):

    vomit.

    Examples:

    "He lay there in a pool of his own sick."

  1. Sick as a verb:

    To vomit.

    Examples:

    "I woke up at 4 am and sicked on the floor."

  2. Sick as a verb (obsolete, intransitive):

    To fall sick; to sicken.

  1. Sick as a verb (rare):

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