rocky

Synonyms: bouldered craggy flinty hard inflexible jagged lapidarian lithic pebbly petrified petrous rockbound rockribbed rough solid stonelike

Antonyms: flat smooth

Synonyms: adamant bloodless firm flinty hard impassible insensate insensible insensitive obdurate pitiless rocklike rough rugged solid steady tough

Antonyms: flexible steady yielding

Synonyms: dizzy ill rickety shaky sick sickly staggering ticklish tottering tricky uncertain unreliable unstable unsteady unwell weak wobbly

Antonyms: dependable happy healthy