solid as a rock

solid strong sure

adjusted anchored bound fast firm fixed fortified iron locked nailed set sound staunch steady

buttoned-down immovable safe and sound tenacious tight

changeable flexible impermanent loose movable unfixed unstable unsteady

moving unfastened

agreed appointed arranged bent concluded confirmed determined entrenched established firm fixed immovable intent ironclad obstinate pat prearranged predetermined prescribed regular resolved rooted scheduled settled specified stated stipulated

certain customary dead set on decisive definite hanging tough inveterate locked-in pigheaded resolute rigid set in stone steadfast stiff-necked stubborn unflappable usual well-set

changeable indefinite irresolute undecided unsettled variable wavering weak yielding

balanced calm durable fast lasting permanent reliable safe secure solid steady strong substantial

abiding anchored enduring established even firm invariable nailed poised set sound stabile stalwart staunch stout tough uniform

brick-wall deep-rooted equable immutable perdurable resolute set in stone stationary staying put steadfast sturdy sure together unalterable unchangeable unfluctuating unvarying unwavering well-built well-founded

broken ephemeral imbalanced impermanent insecure intermittent loose soft temporary undependable unfixed unprotected unreliable unsafe unstable untrustworthy vulnerable weak

changeable changing different flexible indefinite irresolute unsound

inconstant shaky wobbly

constant durable regular reliable safe solid substantial

abiding enduring even firm immovable patterned set stabile uniform

brick-wall certain changeless equable never-failing set in stone steadfast steady-going sure unchangeable unchanging unfaltering unfluctuating unqualified unquestioning unshaken unvarying unwavering

irregular undependable unreliable unsteady untrustworthy vulnerable

different flexible indefinite movable moving soft unfixed

broken discontinuous imbalanced intermittent unfaithful unstable weak wobbly

strong together

blooming fine fit flourishing great hale hardy husky right sound trim whole

able-bodied alive and kicking bright-eyed bushy-tailed chipper fresh hearty in good health in the pink right as rain robust sane strong as an ox up to par vigorous wholesome wrapped tight

inappropriate incomplete infirm little poor rough sick small unfit unhealthy unsuitable unsuited weak

diseased ill unfortunate unhappy unlucky