ill noun adjective adverb Stress: first syllable đ¤ Save Syllables: ill (1) English Definition Suffering from an illness or disease; not feeling well Example Sentence He is feeling ill today. US IPA /ÉĒl/ đ Listen US UK IPA /ÉĒl/ đ Listen UK Synonyms sick unwell ailing poorly Antonyms healthy well Share this Word Facebook WhatsApp X Telegram Copy Link