stable

1 marked by the ability to withstand stress without structural damage or distortion the observation tower is stable enough to withstand the strongest winds without collapsing Synonyms of stable bombproof, fast, firm, sound, stalwart, strong, sturdy Words Related to stable dependable, durable, reliable; infrangible, irrefragable, unbreakable; beefy, solid; cohesive, tough Near Antonyms of stable infirm, insecure, weak; shaky, tottering, tottery, unbalanced, wobbly (also wabbly); unsubstantial Antonyms of stable rickety, unsound, unstable, unsteady

2 having been established and usually not subject to change a troubled nation badly in need of a stable government Synonyms of stable certain, determinate, final, firm, flat, frozen, hard, hard-and-fast, inexpugnable, set, settled, fixedWords Related to stable nonadjustable, noncancelable, nonnegotiable, unchangeable; constant, steady, unchanging, uniform, unwavering; definite, exact, explicit, specific; given, stated, stipulated; dependable, good, reliable, responsible, safe, solid, sure, tried, tried-and-true, true, trustworthy, trustyNear Antonyms of stable adjustable, changeable, negotiable; indefinite, open-ended, unspecified; capricious, changeful, flickery, fluctuating, fluid, inconstant, mercurial, mutable, temperamental, uncertain, unpredictable, unsettled, unstable, unsteady, variable, volatile

3 having full use of one's mind and control over one's actions she made some strange decisions back when she wasn't entirely stable Synonyms of stable balanced, clearheaded, compos mentis, lucid, normal, right, saneWords Related to stable analytic (or analytical), clear, coherent, logical, rational, reasonable; even-keeled, judicious, levelheaded, sensible, wise; healthy, sound, unneurotic; well-adjusted, well-balancedNear Antonyms of stable balmy, bananas, batty, bughouse [slang], certifiable, crackbrained, cracked, crackpot, cranky [dialect], cuckoo, daffy, daft, dotty, fruity [slang], gaga, loco [slang], loony (also looney), loopy, meshuga (or meshugge also meshugah or meshuggah), moonstruck, nuts, nutty, scatty [chiefly British], screwy, wacko (also whacko), wacky (also whacky); aberrant, delirious, disordered; delusional, delusionary, disturbed, neurotic, obsessive-compulsive, paranoiac (also paranoic), paranoid (also paranoidal), psycho, psychotic, schizo, schizoid, schizophrenic, schizy (or schizzy); eccentric, odd, oddball, off, pixilated (also pixillated), potty [chiefly British], queer, strange; foolish, senseless, witless; irrational, mixed-up, unreasonable; depressed, despondent; distracted, distraught, frantic, frenzied, haywire, hysterical (also hysteric), raving, wigged-out; amok (or amuck), ape, ballistic, berserk, nuclear; fixated, monomaniac, monomaniacal, obsessedAntonyms of stable brainsick, crazed, crazy, demented, deranged, insane, lunatic, mad, maniacal (also maniac), mental, unbalanced, unsound

4 not undergoing a change in condition a stable economic climate is best for business Synonyms of stable changeless, constant, stationary, steady, unchanging, unvaryingWords Related to stable fast, fixed, hard-and-fast, immutable, inflexible, invariable, unalterable, unchangeable; established, set, settled; ceaseless, continuing, durable, enduring, lasting, permanentNear Antonyms of stable adaptable, alterable, changeable, flexible, mutable, variable; ephemeral, evanescent, fleeting, momentary, transient, transitory; kaleidoscopic, phantasmagoric (or phantasmagorical)Antonyms of stable capricious, changeful, changing, fickle, fluctuating, fluid, inconstant, mercurial, skittish, uncertain, unpredictable, unsettled, unstable, unsteady, varying, volatile