1
unwarranted
1
unyielding(tough, severe, painful, problematic, trying)
1
uphill(tough, severe, painful, problematic, trying)
1
upscale(adjective, expensive, high-priced, pricey, pricely)
1
upstream(tough, severe, painful, problematic, trying)
1
valuable(adjective, expensive, high-priced, pricey, pricely)
1
vast(adjective, expensive, high-priced, pricey, pricely)
1
weak
1
wearisome(tough, severe, painful, problematic, trying)
1
xenophobic
0
abnormal(adjective, extraordinary, extreme, high)
0
absolute
0
aloof
0
argumentative(tough, problematic, trying)
0
aristocratic
0
astrictive
0
astronomic
0
attribute
0
barricade
0
barriers
11 years ago|8.2k views|share |citing 
APASmart Define. (2015). prohibitive thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/prohibitive/thesaurus/synonyms
ChicagoSmart Define. 2015. "prohibitive thesaurus" https://smartdefine.org/prohibitive/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, prohibitive thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/prohibitive/thesaurus/synonyms>.
MLASmart Define. "prohibitive thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/prohibitive/thesaurus/synonyms>