Queasy describes a feeling of nervousness, uneasiness, or anxiety. If you're queasy about making a speech in front of the entire high school, you have a feeling that it won't go well.

Queasy can also mean feeling sick to your stomach. If you eat a sandwich made of turkey that expired two months ago, you'll likely feel queasy and throw up. If you feel queasy during a flight, both meanings of the word can apply: you may be queasy — as in anxious — because you're afraid of flying. And you may also be queasy — as in sick to your stomach — as a result of the air turbulence.

Definitions of queasy

adj causing or able to cause nausea

loathsome, nauseating, nauseous, noisome, offensive, sickening, vile
detrimental to physical or moral well-being

adj feeling nausea; feeling about to vomit

nauseated, nauseous, sick, sickish
ill, sick
affected by an impairment of normal physical or mental function

adj causing or fraught with or showing anxiety

anxious, nervous, uneasy, unquiet
characterized by or indicative of distress or affliction or danger or need

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