noun

sickness

sickness, illness, nausea

He missed a week of school due to sickness.

He missed a week of school due to sickness.

Travel sickness is common on long journeys.

Travel sickness is common on long journeys.

((sickness)) a state of being ill Sickness can affect anyone.

((a sickness)) a particular type of illness He has a rare sickness.

Synonyms: illness, ailment, malady; Antonyms: health, wellness

From Old English 'seocnes', from 'seoc' (sick) + '-nes' (a suffix forming abstract nouns indicating a state or condition).

Remember that adding '-ness' to an adjective like 'sick' turns it into a noun describing the state of being that way.

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