Dictionary.com
Thesaurus.com
Synonyms

sickness

American  
[sik-nis] / ˈsɪk nɪs /

noun

  • sicknesses
    plural
  1. a particular disease or malady.

  2. the state or an instance of being sick; illness.

  3. nausea; queasiness.


sickness British  
/ ˈsɪknɪs /

noun

  1. an illness or disease

  2. nausea or queasiness

  3. the state or an instance of being sick

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms


Etymology

Origin of sickness

before 1000; Middle English siknesse, seknesse, Old English sēocnesse. See sick 1, -ness


Compare meaning

How does sickness compare to similar and commonly confused words? Explore the most common comparisons:


Explanation

The condition of being unwell or having an illness is sickness. Your sickness during the month of November might mean you miss a lot of school. A well-known, Christian version of wedding vows includes a promise to "have and to hold...in sickness and in health." This means the couple agrees to stay together and support each other whether they're healthy or ill. Some sickness is a chronic or permanent kind of malady, while others are more specific, like morning sickness during pregnancy or a brief flash of sickness when your plane hits a patch of turbulence.

Keep Reading on Vocabulary.com

Vocabulary lists containing sickness

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Passengers prone to motion sickness are bemoaning the spotty availability of the once-reliable barf bag.

From The Wall Street Journal ● Oct. 16, 2026

Severe morning sickness forced her to leave school and cost her a job.

From Slate ● Oct. 16, 2026

"So we have really high rates of sickness and burnout among staff - and this is before the viruses really hit."

From BBC ● Oct. 11, 2026

There is a very real fear about trying to catch things before they happen, and often, these products are trying to market a cure for a sickness that hasn’t even happened yet.

From Slate ● Oct. 8, 2026

Ever since my father’s death, I had been plagued by nightmares of water and sickness.

From "The City Beautiful" by Aden Polydoros

After a report last week of multiple sicknesses and deaths possibly arising from deli meats, Boar's Head Provisions has now announced a multi-state recall of many of its products.

From Salon ● Jul. 30, 2024

"There are sicknesses and we can not find any cure," said 54-year-old Abu Khalil, who has been displaced to Rafah in southern Gaza.

From BBC ● Feb. 18, 2024

Most startling, an additional 1,970 men at one point were hospitalized with sicknesses, including 72 with what was described as “psychoneurosis.”

From New York Times ● Jan. 12, 2024

Nearly 30,000 people staying in schools, auditoriums and other evacuation centers worried about infections as cases of COVID-19 and other sicknesses popped up.

From Seattle Times ● Jan. 7, 2024

The three lines are organized by urgency, as in, those with sicknesses versus those of us dying today by some unknown force versus bored visitors.

From "They Both Die at the End" by Adam Silvera

Random Word

Spin the wheel and learn a new word!

Get a word


Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember new words for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com