164 entries under difficult topic. ×

5
uphill(adjective, hard, tough, severe, rough)
4
cantankerous(adjective, severe, cross, persistent)
4
clamorous(adjective, hard, tough, firm)
4
contrary(adjective, severe, cross, persistent)
4
effortful(adjective, tough, severe, harsh)
4
exhausting(adjective, dull, hard, tough)
4
heavy(adjective, dull, tough, severe, rough)
4
insistent(adjective, hard, tough, firm)
4
mean(adjective, hard, severe, rough)
4
painful(hard, tough, severe, harsh)
4
thorny
4
ticklish
4
tiring(adjective, dull, tough, full)
4
urgent(adjective, hard, tough, firm)
4
wearing(adjective, dull, hard, tough)
4
wearying(adjective, dull, awkward, boring)
3
ambitious(adjective, hard, tough, severe, ability)
3
awkward(adjective, grueling, problematical, unhelpful)
3
backbreaking(adjective, hard, harsh, heavy)
3
complicated(adjective, hard, tough, rough)
11 years ago|22k views|share |citing 
APASmart Define. (2015). demanding thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/demanding/thesaurus/synonyms
ChicagoSmart Define. 2015. "demanding thesaurus" https://smartdefine.org/demanding/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, demanding thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/demanding/thesaurus/synonyms>.
MLASmart Define. "demanding thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/demanding/thesaurus/synonyms>