Synonyms of the word

nauseous

• adj. Causing nausea; sickening or disgusting.
• adj. (sometimes proscribed) Afflicted with nausea; sick.

ill

• adj. (obsolete) Evil; wicked (of people).
• adj. (archaic) Morally reprehensible (of behaviour etc.); blameworthy.
• adj. Indicative of unkind or malevolent intentions; harsh, cruel.
• adj. Unpropitious, unkind, faulty, not up to reasonable standard.
• adj. Unwell in terms of health or physical condition; sick.
• adj. Having an urge to vomit.
• adj. (hip-hop slang) Sublime, with the connotation of being so in a singularly creative way.
• adj. (slang) Extremely bad (bad enough to make one ill). Generally used indirectly with to be.
• adv. Not well; imperfectly, badly; hardly.
• n. (often pluralized) Trouble; distress; misfortune; adversity.
• n. Harm or injury.
• n. Evil; moral wrongfulness.
• n. A physical ailment; an illness.
• n. (US, slang) PCP, phencyclidine.

loathsome

• adj. highly offensive; sickening, abominable.

nauseated

• adj. Having a feeling of nausea.
• v. simple past tense and past participle of nauseate.

nauseating

• adj. causing disgust, revulsion or loathing.
• adj. causing nausea.

noisome

• adj. Morally hurtful or noxious.
• adj. Hurtful or noxious to health; unwholesome, insalubrious.
• adj. Offensive to the senses; disgusting, unpleasant, nauseous; foul, fetid, especially having an undesirable…

offensive

• adj. Causing offense; arousing a visceral reaction of disgust, anger, or hatred.
• adj. Relating to an offense or attack, as opposed to defensive.
• adj. (team sports) Having to do with play directed at scoring.
• n. (countable, military) An attack.
• n. (uncountable) The posture of attacking or being able to attack.

queasy

• adj. Experiencing or causing nausea or uneasiness, often characterized by an unsettled stomach.
• adj. Easily troubled; squeamish.

sick

• adj. Having an urge to vomit.
• adj. (chiefly US) In poor health.
• adj. (colloquial) Mentally unstable, disturbed.
• adj. (colloquial) In bad taste.
• adj. Tired of or annoyed by something.
• adj. (slang) Very good, excellent, awesome, badass.
• adj. In poor condition.
• adj. (agriculture) Failing to sustain adequate harvests of crop, usually specified.
• n. Sick people in general as a group.
• n. (Britain, colloquial) vomit.
• v. To vomit.
• v. (obsolete, intransitive) To fall sick; to sicken.
• v. (rare) Alternative spelling of sic.

sickening

• adj. Causing sickness or disgust.
• adj. (LGBT slang) Amazing, fantastic.
• v. present participle of sicken.
• n. The act of making somebody sick.

sickish

• adj. Somewhat sick, but not seriously so.

unwholesome

• adj. Not wholesome; unfavorable to health; unhealthy.
• adj. Not sound; diseased; tainted; impaired; defective.
• adj. Indicating unsound health; characteristic of or suggesting an unsound condition, physical or mental; repulsive;…

vile

• adj. Morally low; base; despicable.