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Definition of sickness

sickness

/ˈsɪk.nəs/
sick · ness
Plural:sicknesses
•
Adjective:sick
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sickness Lexical Profile

sickness Game Scores & Validity

• noun

1

The state or condition of being ill or in poor health.

Example

"His prolonged absence from the university was due to a severe period of sickness."

2

A particular type of disease, disorder, or medical affliction.

Example

"Climbers ascending rapidly to high altitudes must take precautions against altitude sickness."

3

A feeling of nausea or the act of vomiting.

Example

"The rough ocean waves caused several passengers on the ferry to experience sudden sickness."

Synonyms
View all synonyms for sickness
Antonyms
View all antonyms for sickness

• Rhymes for sickness

• Nearby Words

sicklebill
sickliness
sickly
sickness
sicknote
sicko
sickout

Word Origin & Etymology

From Old English seocnes, derived from the adjective seoc ('ill, diseased') combined with the noun-forming suffix -nes.

Cite this Entry

Wordmom. (2026). Definition of Sickness. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/sickness
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