Synonyms of the word

rickety

• adj. Of an object: not strong or sturdy, as because of poor construction or upkeep; not safe or secure; giddy;…
• adj. Of a person: feeble in the joints; tottering.
• adj. Affected with or suffering from rickets.

debile

• adj. (obsolete) Weak.

decrepit

• adj. Weakened or worn out from age or wear.

feeble

• adj. Deficient in physical strength; weak; infirm; debilitated.
• adj. Lacking force, vigor, or efficiency in action or expression; faint.
• v. (obsolete) To make feeble; to enfeeble.

frail

• adj. Easily broken; mentally or physically fragile; not firm or durable; liable to fail and perish; easily…
• adj. Liable to fall from virtue or be led into sin; not strong against temptation; weak in resolution; unchaste.
• n. A basket made of rushes, used chiefly for containing figs and raisins.
• n. The quantity of raisins contained in a frail.
• n. A rush for weaving baskets.
• n. (dated, slang) A girl.
• v. To play a stringed instrument, usually a banjo, by picking with the back of a fingernail.

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.

infirm

• adj. Weak or ill, not in good health.
• adj. Irresolute; weak of mind or will.
• adj. Frail; unstable; insecure.
• v. To contradict, to provide proof that something is not.

rachitic

• adj. (medicine) Pertaining to or affected by rickets.
• adj. Feeble, in a weak or precarious condition.

sapless

• adj. (of a plant) Lacking in sap.
• adj. (figuratively, of a person etc.) Lacking vivacity.

shaky

• adj. Shaking or trembling.
• adj. Nervous; Anxious.
• adj. (of wood) Full of shakes or cracks; cracked.
• adj. Easily shaken; tottering; unsound.

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.

unstable

• adj. Having a strong tendency to change.
• adj. Fluctuating; not constant.
• adj. Fickle.
• adj. Unpredictable.
• adj. (chemistry) Readily decomposable.
• adj. (physics) Radioactive, especially with a short half-life.
• v. (transitive) To release (an animal) from a stable.

weak

• adj. Lacking in force (usually strength) or ability.
• adj. Unable to sustain a great weight, pressure, or strain.
• adj. Unable to withstand temptation, urgency, persuasion, etc.; easily impressed, moved, or overcome; accessible;…
• adj. Dilute, lacking in taste or potency.
• adj. (grammar) Displaying a particular kind of inflection, including.
• adj. (chemistry) That does not ionize completely into anions and cations in a solution.
• adj. (physics) One of the four fundamental forces associated with nuclear decay.
• adj. (slang) Bad or uncool.
• adj. (mathematics, logic) Having a narrow range of logical consequences; narrowly applicable. (Often contrasted…
• adj. Resulting from, or indicating, lack of judgment, discernment, or firmness; unwise; hence, foolish.
• adj. Not having power to convince; not supported by force of reason or truth; unsustained.
• adj. Lacking in vigour or expression.
• adj. Not prevalent or effective, or not felt to be prevalent; not potent; feeble.
• adj. (stock exchange) Tending towards lower prices.
• adj. (photography) Lacking contrast.

weakly

• adj. Frail, sickly or of a delicate constitution; weak.
• adv. With little strength or force.

wobbly

• adj. Unsteady and tending to wobble.
• n. (US, labor union) Alternative spelling of Wobbly.
• n. (Britain, slang) A wobbler; a fit of rage.

wonky

• adj. Lopsided, misaligned or off-centre.
• adj. (chiefly Britain, Australia, New Zealand) Feeble, shaky or rickety.
• adj. (computing, especially Usenet) Suffering from intermittent bugs; broken.
• adj. Generally incorrect.
• n. A subgenre of electronic music employing unstable rhythms, complex time signatures, and mid-range synths.
• adj. Technically worded, in the style of jargon.