Thesaurus

illness

noun

Synonyms & Antonyms of illness

1 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 for illness

Words Related to illness

Near Antonyms for illness

Antonyms for illness

See the Dictionary Definition 

Learn More About illness

Time Traveler for illness

Time Traveler

The first known use of illness was circa 1500

See more words from the same year

Thesaurus Entries Near illness

ill-naturedly

illness

illnesses

See More Nearby Entries 

Cite this Entry

“Illness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/illness. Accessed 17 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on illness

Nglish: Translation of illness for Spanish Speakers

Britannica English: Translation of illness for Arabic Speakers

WORD OF THE DAY

Test Your Vocabulary

Which Word Does Not Belong?

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!