illness B1 Topic:Health & Medicine US /ˈɪl.nəs/ See IPA manual Freq #4142 Meanings 1 noun The state of being sick or in bad health. Many working days were lost this year through illness. 2 noun A particular disease or period of bad health. Her grandmother passed away after a long illness. Thesaurus Synonyms 1 noun · the state of being sick or... sickness 2 noun · a particular disease or... sicknessmalady Word family Forms illnesses Derived forms illnesslikenonillness Related forms hypochondriacill Appears in Phrases (2) See all catastrophic illness a severe illness involving prolonged care or recovery and major expense Adjective + noun mental illness a condition that seriously affects a person's thoughts, feelings, or behavior Adjective + noun Etymology AI details From ill + -ness. Topics Health & Medicine External links Google Images Cambridge Dictionary Wiktionary # illness **Type:** Word **Level:** B1 **Part of speech:** noun **IPA (US):** /ˈɪl.nəs/ **Frequency rank:** 4142 ## Meanings 1. The state of being sick or in bad health. 2. A particular disease or period of bad health. ## Examples - Many working days were lost this year through illness. - Her grandmother passed away after a long illness. ## Synonyms - sickness ## Derived Forms - illnesslike - nonillness ## Related Forms - hypochondriac - ill ## Roots and Affixes - Affix: -ness - state ## Etymology From ill + -ness. ## AI Etymology Illness comes from ill + -ness. The analysis is mainly morphological: the modern nominal form is built from the named base and affix. In current use, the main senses are “The state of being sick or in bad health” and “A particular disease or period of bad health”. ## Topics - Health & Medicine markdown