Synonyms of the word

feverish

• adj. In the state of having a fever, to have an elevated body temperature.
• adj. Filled with excess energy.

agitated

• v. simple past tense and past participle of agitate.
• adj. Angry, annoyed, bothered or worked up.
• adj. (of a solution or substance) Violently and chaotically moving around, such as because of being shaken.

febrile

• adj. Feverish, or having a high temperature.
• adj. Full of nervous energy.

feverous

• adj. affected with fever or ague.
• adj. having the nature of fever.
• adj. (rare) having a tendency to produce fever.

hectic

• adj. Pertaining to bodily reactions characterised by flushed or dry skin.
• adj. Very busy with activity and confusion; feverish.
• n. (obsolete) A hectic fever.
• n. (obsolete) A flush like one produced by such a fever.

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.

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.

symptom

• n. (medicine) A perceived change in some function, sensation or appearance of a person that indicates a disease…
• n. (figuratively) A signal; anything that indicates, or is characteristic of, the presence of something else,…