Synonym of built on sand

rocky difficult precarious problematic uncertain unreliable unstable unsteady unsure iffy troubled trying undependable not easy up and down dangerous insecure risky dubious shaky hazardous doubtful tricky unsafe perilous unsettled hairy dicey delicate dodgy chancy unpredictable touch-and-go treacherous wobbly slippery shonky parlous unhealthy hanging by a thread out on a limb on thin ice hanging in the balance touch and go on a slippery slope unsound sticky grave serious rickety threatening ticklish touchy critical tottering gnarly thorny vulnerable high-risk menacing grievous fraught with danger problematical venturesome exposed awkward sensitive tough weak speculative dire frail knotty jeopardizing flimsy prickly tottery jeopardising nasty desperate jeopardous awful unbalanced terrible wonky alarming teetering unsecured bad teetery worrying wicked catchy controversial tricksy spiny life-threatening wavering taxing wobbling suspect acute upsetting feeble fragile complicated dynamite movable defenseless defenceless severe erratic dreadful troublesome wiggly ugly not secure at risk decrepit playing with fire bleak questionable unpleasant grim volatile distressing unfastened tight shaking hard bitter pressing loaded unchancy exigent terrifying very bad adventurous hot life-and-death dangersome deadly fluctuant embarrassing in danger wabbly fatal trembly trembling tremulous complex involved in jeopardy convoluted uncomfortable harmful intricate Russian roulette bothersome vexatious irksome extreme capricious in the balance forbidding arduous challenging concerning ramshackle dilapidated punishing dark disagreeable unfriendly disturbing hostile urgent spindly jerry-built unprotected breakneck death-defying profound egregious malignant viperous venturous rattletrap infirm vacillating unknown peracute contentious hopeless endangered debatable bockety shifting quivery wayward vexed explosive perplexing onerous heavy destructive incalculable emotive injurious moving mobile untrustworthy ominous worrisome rough sketchy not fixed spartan harsh up for grabs sobering long shot exacting painful brutal easily destroyed easily broken failing unguarded reckless uneven unclear daredevil unsecure cliffhanging suspenseful not safe scary nonsecured lethal haphazard uneasy doddery hand-to-mouth unwell wavy wiggling tenuous derelict broken-down nice wide-open kid-glove giddy lubricious dizzy provocative on slippery ground not stable quivering wabbling toxic threatened woozy groggy heated quaking shuddery quavery shuddering temperamental mercurial changeable inconstant fickle variable tragic divisive scandalous fearsome nebulous loose imperfect disintegrating decaying tumbledown crumbling broken ruinous nettlesome awry on its last legs atremble aquiver calamitous open to attack hair-trigger on a limb unconvincing rachitic rumpty tumble-down shacky shambly geriatric lamentable appalling deplorable frightful intolerable intense unsettling ghastly horrible sickening unconfirmed undetermined turbulent eruptive imperative pending unresolved crucial considerable disastrous significant burning poor sorry outrageous lousy shifty compelling unforeseeable indeterminate undefined inflammatory unsubstantial vital weighty big fierce intensive strenuous toilsome consequential excessive major grinding drastic clamant loosened slack slackened lax relaxed crying easily threatened impregnable portentous impending formidable serpentine mortal queasy up in the air conjectural open to question in doubt in limbo indistinct potentially violent in turmoil full of upheavals irredeemable chronic irretrievable emergent importunate imperious fiddly quirky insubstantial on collision course falling to pieces necessitous important immature rootless instant rugged essential sudden decisive dubitable disputable afflictive all-important suspicious shady fishy queer doubtable equivocal puzzling breakable brittle fine enigmatic frangible moot ambiguous indecisive open open to doubt arguable dainty eggshell disheartening gloomy harrowing straitened unpropitious dour discouraging sombre woeful ill-fated hard-pressed lurid inhospitable joyless unwelcome shadowy discommodious tortured morose undesirable full of hardship unfortunate glum miserable objectionable gray mournful strained black adverse ill-omened direful ill-boding sinister dismal doleful austere negative chilling grey inauspicious foreboding oppressive nightmarish comfortless desolate messy unfavorable solemn morbid apocalyptic somber sad unfavourable depressing cheerless shatterable fracturable shattery splintery crumbly smashable easily damaged

built overnight built quickly builts built to last built up built-up built on built muscle built like an ox built into built-in obsolescence built-in