easy
He felt ill and stayed home to rest.
What does Ill mean?
Ill means sick or unwell.
Dictionary definition
Sick or not feeling well.
Example sentences
Ill in a sentence
medium
The nurse helped the ill student feel comfortable.
hard
When someone is ill, rest and care can help the body recover.
Writing practice
Ready to write your own? Study the examples, then practice ill in a sentence with Sentence Builder checklist feedback.
Quick practice
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Practice the meaning of Ill
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
What does ill mean?
Ill means not feeling well.
Practice 2
Which word is closest in meaning to ill?
Sick is a common synonym for ill.
Practice 3
Which sentence uses ill correctly?
Feeling ill means feeling sick or unwell.
Practice complete
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You completed 3 questions.
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Ill
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IL
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IL
Learn
WordIll.
Partadjective.
MeaningIll means sick or unwell.
ExampleExample: He felt ill and stayed home to rest.
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Nice work—you practiced ill.
Synonyms
Words like Ill
Antonyms
Opposite words
healthyUse for someone who is well.
wellUse when someone feels good and not sick.
Synonym practice
Want to practice ill synonyms in context? Try a Synonym Search question like "The ill puppy rested on a soft blanket," then compare close word choices. Practice ill synonyms.
Word family
Ill word family
Related words
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Student support
Understand Ill
Hint for students
Ill means sick or unwell.
Common mix-up
Ill is not the same as healthy. Ill means ill means sick or unwell.
Try it in class or at home
Read this model sentence: The nurse helped the ill student feel comfortable. Clue words: nurse, helped, student. Underline clue words that show why ill fits instead of healthy. Now write one new sentence that shows ill without using the word ill. Ask: Does my sentence clearly show ill?
Teacher prompt
Ask students to explain this model sentence: "The nurse helped the ill student feel comfortable." Why does ill fit better than healthy?
Learning activities
Practice Ill and explore more word games
Cards labelled “Practice ILL” keep this word in focus. Explore cards open games with other words.
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Sentence Builder
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