Synonyms of the word

unwell

• adj. Not well; indisposed; not in good health; somewhat ill; ailing.
• adj. (dated, euphemistic) Specifically, ill from menstruation; affected with, or having, catamenial; menstruant.

ailing

• n. An ailment.
• v. present participle of ail.
• adj. Sickly; sick; ill; unwell.

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.

indisposed

• adj. Mildly ill.
• adj. Not disposed or inclined; unwilling.

peaked

• adj. Having a peak or peaks.
• adj. Sickly-looking, peaky.
• v. simple past tense and past participle of peak.

poorly

• adv. In a poor manner or condition; without plenty, or sufficiency, or suitable provision for comfort.
• adv. With little or no success; indifferently; with little profit or advantage.
• adv. Meanly; without spirit.
• adv. Without skill or merit.
• adj. ill, unwell, sick.

seedy

• adj. disreputable, run-down, sleazy.
• adj. Full of seeds.
• adj. untidy; unkempt.
• adj. infirm; gone to seed.
• adj. suffering the effects of a hangover.
• adj. (colloquial) Having a peculiar flavour supposed to be derived from the weeds growing among the vines;…

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.

sickly

• adj. Frequently ill; often in poor health; given to becoming ill.
• adj. Having the appearance of sickness or ill health; appearing ill, infirm or unhealthy; pale.
• adj. Weak; faint; suggesting unhappiness.
• adj. Somewhat sick; disposed to illness; attended with disease.
• adj. Tending to produce disease.
• adj. Tending to produce nausea; sickening.
• adj. Overly sweet.
• v. (transitive) To make sickly.
• adv. In a sick manner.