120 entries under severe topic. ×

2
onerous(adjective, tough, difficult, painful)
2
static(secure, exact, still, fixed)
2
taxing(adjective, hard, difficult, harsh)
2
titanic(tough, painful, problematic, trying)
2
unbreakable(adjective, strong, hard, firm)
2
unfeeling(adjective, hard, cool, harsh)
1
acrimonious(adjective, harsh, rigid, tight)
1
ambitious(tough, painful, problematic, trying)
1
backbreaker(tough, painful, problematic, trying)
1
binding(adjective, harsh, affected, rigid)
1
bothersome(tough, painful, problematic, trying)
1
brick-wall(adjective, constant, rigid, tight)
1
by the book(expression, adjective, idiom, harsh)
1
by the numbers(expression, adjective, idiom, correct)
1
compelling(adjective, strong, great, firm)
1
confining(adjective, harsh, rigid, tight)
1
convincing(adjective, strong, great, firm)
1
crucial(tough, painful, problematic, trying)
1
dead set on(expression, adjective, idiom, harsh)
1
difficile(tough, painful, problematic, trying)
10 years ago|48k views|share |citing 
APASmart Define. (2015). stiff thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/stiff/thesaurus/synonyms
ChicagoSmart Define. 2015. "stiff thesaurus" https://smartdefine.org/stiff/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, stiff thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/stiff/thesaurus/synonyms>.
MLASmart Define. "stiff thesaurus" 24 December 2015. Web. 25 September 2026. <https://smartdefine.org/stiff/thesaurus/synonyms>