Synonyms:
- Philistine,
- adamant,
- adamantine,
- bankrupt,
- beat,
- beggared,
- bony,
- broke,
- busted,
- callous,
- calloused,
- case-hardened,
- cement,
- cemental,
- chilly,
- cold,
- cold-blooded,
- coldhearted,
- concrete,
- corneous,
- corrugated,
- cragged,
- craggy,
- crinkled,
- crumpled,
- crystal,
- crystalline,
- dense,
- destitute,
- diamondlike,
- dure,
- flat,
- flat broke,
- flintlike,
- flinty,
- fortuneless,
- frigid,
- granitelike,
- granitic,
- gravelly,
- gritty,
- hard,
- hard as nails,
- hard-boiled,
- hardened,
- hardhearted,
- harsh,
- heartless,
- horny,
- icy,
- impervious,
- implacable,
- indifferent,
- indigent,
- indurated,
- inflexible,
- insensible,
- insensitive,
- intractable,
- inured,
- iron-hard,
- ironbound,
- ironlike,
- jagged,
- jaggy,
- lapideous,
- lithoid,
- lithoidal,
- marble,
- marblelike,
- merciless,
- monolithic,
- needy,
- obdurate,
- oofless,
- osseous,
- pachydermatous,
- pebbled,
- pebbly,
- penniless,
- pitiless,
- poor,
- porphyritic,
- poverty-stricken,
- proof against,
- ragged,
- resistant,
- resistive,
- rock-ribbed,
- rock-strewn,
- rock-studded,
- rockbound,
- rocklike,
- rocky,
- rugged,
- rugose,
- rugous,
- sandy,
- saw-toothed,
- sawtooth,
- scragged,
- scraggly,
- scraggy,
- serrate,
- serrated,
- shingled,
- shingly,
- snagged,
- snaggled,
- snaggy,
- solid,
- steeled against,
- steellike,
- steely,
- stone-broke,
- stonelike,
- strapped,
- thick-skinned,
- tough,
- trachytic,
- uncompassionate,
- unfeeling,
- unresponsive,
- unsentimental,
- unsympathetic,
- wrinkled