Inclined to shake as from weakness or defect:
— A wobbly chair with shaky legs.

synonyms: rickety, wobbly, wonky.

Roget 860: fearing etc. v.; frightened etc. v.; in fear, in a fright etc. n.; haunted with the fear of etc. n.; afeard^†.    afraid, fearful; timid, timorous; nervous, diffident, coy, faint-hearted, tremulous, shaky, afraid of one's shadow, apprehensive, restless, fidgety; more frightened than hurt.    aghast; awe-stricken, horror-stricken, terror-stricken, panic-stricken, awestruck, awe-stricken, horror-struck; frightened to death, white as a sheet; pale, pale as a ghost, pale as death, pale as ashes; breathless, in hysterics.    inspiring fear etc. v.; alarming; formidable, redoubtable; perilous etc. (danger) 665; portentous; fearful; dread, dreadful; fell; dire, direful; shocking; terrible, terrific; tremendous; horrid, horrible, horrific; ghastly; awful, awe-inspiring; revolting etc. (painful) 830; Gorgonian.    ... show more

Roget 160: weak, feeble, debile^†; impotent etc. 158; relaxed, unnerved, etc. v.; sapless, strengthless^†, powerless; weakly, unstrung, flaccid, adynamic^†, asthenic^†; nervous.    soft, effeminate, feminate^†, womanly.    frail, fragile, shattery^†; flimsy, unsubstantial, insubstantial, gimcrack, gingerbread; rickety, creaky, creaking, cranky; craichy^†; drooping, tottering etc. v.. broken, lame, withered, shattered, shaken, crazy, shaky; palsied etc. 158; decrepit.    languid, poor, infirm; faint, faintish^†; sickly etc. (disease) 655; dull, slack, evanid^†, spent, short-winded, effete; weather-beaten; decayed, rotten, worn, seedy, languishing, wasted, washy, laid low, pulled down, the worse for wear.    unstrengthened etc. 159^†, unsupported, unaided, unassisted; aidless^†, defenseless etc. 158; cantilevered (support) 215.    on its last legs; weak as a child, weak as a baby, weak as a chicken, weak as a cat, weak as a rat; weak as water, weak as water gruel, weak as gingerbread, weak as milk and water; colorless etc. 429.    ... show more

Polish: chybotliwy, wahliwy, niestabilny, chwiejny

Vibrating slightly and irregularly; as e.g. with fear or cold or like the leaves of an aspen in a breeze:
— Seemed shaky on her feet.

synonyms: shivering, trembling.

Not secure; beset with difficulties:
— A shaky marriage.

synonym: precarious.

Roget 665: in danger etc. n.; endangered etc. v.; fraught with danger; dangerous, hazardous, perilous, parlous, periculous^†; unsafe, unprotected etc. (safe, protect) etc. 664; insecure.    untrustworthy; built upon.   sand, on a sandy basis; wildcat.    defenseless, fenceless, guardless^†, harborless; unshielded; vulnerable, expugnable^†, exposed; open to etc. (liable) 177.    aux abois [Fr.], at bay; on the wrong side of the wall, on a lee shore, on the rocks.    at stake, in question; precarious, critical, ticklish; slippery, slippy; hanging by a thread etc. v.; with a halter round one's neck; between the hammer and the anvil, between Scylla and Charybdis, between a rock and a hard place, between the devil and the deep blue sea, between two fires; on the edge of a precipice, on the brink of a precipice, on the verge of a precipice, on the edge of a volcano; in the lion's den, on slippery ground, under fire; not out of the wood.    unwarned, unadmonished, unadvised, unprepared etc. 674; off one's guard etc. (inexpectant) 508^†.    tottering; unstable, unsteady; shaky, top-heavy, tumbledown, ramshackle, crumbling, waterlogged; helpless, guideless^†; in a bad way; reduced to the last extremity, at the last extremity; trembling in the balance; nodding to its fall etc. (destruction) 162.    threatening etc. 909; ominous, illomened; alarming etc. (fear) 860; explosive.    adventurous etc. (rash) 863, (bold) 861.    ... show more