ill

adjective
UK: /ɪl/
US: /ɪl/

  1. Not in good health; suffering from a disease or ailment.

    1. I feel ill today, so I'm staying home. [ ] [ ]
    2. She became seriously ill after contracting a rare tropical disease on her trip. [ ] [ ]

Synonyms

sick unwell
ill noun

  1. An ailment or sickness; a state of poor health.

    1. He caught an ill last winter. [ ] [ ]
    2. The ill from his childhood continues to impact his adult life and decisions. [ ] [ ]
ill adverb

  1. Badly or poorly; not favorably.

    1. He spoke ill of his former boss. [ ] [ ]
    2. Her remarks were ill received by the audience, who expressed their disapproval. [ ] [ ]

Frequently Asked Questions

The phonetic transcription of "ill" is /ɪl/ in British English and /ɪl/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "ill": sick, unwell.

Example usage of "ill": "I feel ill today, so I'm staying home.". More examples on the page.