DictionarynauseaFeeling of sickness
noun

nausea

NAW-zee-uh/ˈnɔːziə/

The sick feeling that one may vomit.

He leans over the basin as a wave of nausea hits.

A queasy man leans over an empty basin, one hand pressed to his upper stomach and the other covering his mouth, visibly fighting the urge to vomit.
Etymology

The Latin ancestor meant 'seasickness,' connecting the stomach's distress with illness aboard ship. In English, however, nausea seems never to have been restricted to sickness at sea.

In context

Med4Care EN2:40
nausea involves only malaise and discomfort located especially in the upper portion of the stomach.
NAUSEA AND VOMIT: Two of the Most Common Symptoms

More examples

  • Reading in a moving car sometimes gives me nausea.
  • The medicine relieves her nausea within an hour.
  • She wakes up with nausea but never actually vomits.

Forms

nauseate verb — To make someone feel likely to vomit.

nauseous adjective — Feeling sick and likely to vomit.

Similar words

queasiness
Usually suggests mild nausea rather than an intense episode.
sickness
Broader term that can mean illness, not just nausea.