Synonyms of illnesses

illnesses

noun

plural of illness

as in diseases

an abnormal state that disrupts a plant's or animal's normal bodily functioning

suffered from a mysterious illness that left her weak and tired all the time

Synonyms & Similar Words

• diseases
• ailments
• sicknesses
• ills
• fevers
• conditions
• disorders
• infections
• maladies
• attacks
• bugs
• complications
• infirmities
• ails
• distempers
• troubles
• complaints
• plagues
• distemperatures
• affections
• contagious diseases
• contagions
• weaknesses
• debilities
• bouts
• epidemics
• malaises
• spells
• pests
• matters
• pestilences
• contagia
• decrepitudes
• fits
• pips

Example Sentences

Recent Examples of illnesses

These cases often involve unusual illnesses that challenge even experienced physicians. — Kurt Knutsson, FOXNews.com, 1 Nov. 2026

Some developed psychological illnesses or died within a few years from physical ailments. — Jieun Baek, Foreign Affairs, 30 Oct. 2026

Initial testing was geared toward that virus — not the related, but different, Bundibugyo virus that was actually causing illnesses. — ABC News, 29 Oct. 2026

Assuming there are any illnesses and injuries vying for your attention, you will probably be focused on healing and getting to the root of these issues in November. — Steph Koyfman, Condé Nast Traveler, 29 Oct. 2026

As respiratory viruses become more active in California, doctors say new vaccines are available to help protect against viral illnesses, including COVID-19, influenza and respiratory syncytial virus. — Sacbee.com, 28 Oct. 2026

The position comes with the power to declare public health emergencies, forcibly quarantine people and set vaccine mandates for illnesses such as chickenpox that fall outside the state Legislature’s framework of seven childhood vaccine mandates. — Liv Coleman, The Conversation, 28 Oct. 2026

Six administrative points that a sanitation inspector grades don’t involve the active state of the kitchen, including whether someone is Food Protection Manager certified, and whether staff know the six major foodborne illnesses. — David Raynor, Charlotte Observer, 28 Oct. 2026

Investigators are examining whether the illnesses could be connected to visits to the State Fair of Texas, particularly its petting zoo. — Amelia Mugavero, CBS News, 28 Oct. 2026