Synonyms:
- Herculean,
- Spartan,
- Spartanic,
- abstruse,
- accurate,
- arduous,
- arousing,
- astringent,
- attentive,
- austere,
- authoritarian,
- brutal,
- burdensome,
- censorious,
- choicy,
- choosy,
- clamant,
- clamorous,
- close,
- complex,
- conscientious,
- correct,
- critical,
- crying,
- cutthroat,
- delicate,
- demanding,
- detailed,
- difficile,
- difficult,
- discriminating,
- discriminative,
- dour,
- draining,
- educible,
- eductive,
- elicitory,
- eradicative,
- evocative,
- exact,
- exactive,
- excessive,
- exigent,
- exorbitant,
- exquisite,
- extortionary,
- extortionate,
- extortive,
- extractive,
- extravagant,
- fancy,
- fastidious,
- fine,
- finical,
- finicking,
- finicky,
- formidable,
- fussy,
- gouging,
- grasping,
- grievous,
- grim,
- grossly overpriced,
- hairy,
- hard,
- hard-earned,
- hard-fought,
- harsh,
- hypercritical,
- immoderate,
- imperative,
- importunate,
- inflationary,
- inordinate,
- insistent,
- instant,
- intricate,
- jawbreaking,
- knotted,
- knotty,
- laborious,
- loud,
- mean,
- meticulous,
- minute,
- narrow,
- nice,
- no picnic,
- not easy,
- operose,
- oppressive,
- out of bounds,
- out of sight,
- outrageous,
- overpriced,
- particular,
- perfectionistic,
- persistent,
- pertinacious,
- picky,
- precise,
- precisianistic,
- precisionistic,
- preposterous,
- pressing,
- priggish,
- prohibitive,
- prudish,
- punctilious,
- punctual,
- puristic,
- puritanic,
- refined,
- religious,
- rigid,
- rigorous,
- rough,
- rugged,
- scrupulous,
- scrutinizing,
- selective,
- sensitive,
- set with thorns,
- severe,
- skyrocketing,
- spiny,
- spiraling,
- steep,
- stern,
- strenuous,
- strict,
- stringent,
- subtle,
- taxing,
- thorny,
- ticklish,
- toilsome,
- tough,
- tricky,
- trying,
- tyrannical,
- unconscionable,
- undue,
- unreasonable,
- unsparing,
- unwarranted,
- uphill,
- uprooting,
- urgent,
- usurious,
- weighty,
- wicked