Synonyms:
- Spartan,
- Spartanic,
- acid,
- acidulous,
- acrid,
- acrimonious,
- astringent,
- austere,
- authoritarian,
- binding,
- biting,
- bitter,
- bleak,
- caustic,
- confining,
- cutting,
- demanding,
- double-edged,
- dour,
- draconian,
- drawing,
- edged,
- escharotic,
- exacting,
- exigent,
- fierce,
- grim,
- hard,
- harsh,
- incisive,
- inclement,
- ironhanded,
- keen,
- meticulous,
- mordacious,
- mordant,
- penetrating,
- piercing,
- poignant,
- rigorist,
- rigorous,
- rough,
- rugged,
- scathing,
- severe,
- sharp,
- stabbing,
- stern,
- stinging,
- strict,
- strident,
- tart,
- tough,
- trenchant,
- ungentle,
- unsparing,
- vehement,
- violent,
- virulent,
- vitriolic