88 entries under difficult topic. ×

9
taxing(adjective, hard, tough, severe, rough)
8
austere(adjective, hard, tough, severe, rough)
8
burdensome(adjective, dull, hard, tough, severe)
7
onerous(adjective, dull, hard, tough, severe)
7
stiff(adjective, hard, tough, severe, rough)
7
trying(adjective, dull, hard, tough, severe)
6
tight(adjective, troublesome)
6
unsparing(adjective, tough, severe, rough, firm)
6
weighty(adjective, hard, severe, harsh)
5
formidable(adjective, tough, severe, rough)
5
rough(adjective, hard, tough, severe)
5
rugged(adjective, hard, tough, severe, rough)
4
brutal(adjective, hard, tough, severe, rough)
4
heavy(adjective, dull, tough, severe, rough)
4
intricate(adjective, tough, severe, awkward)
4
toilsome(adjective, tough, severe, harsh)
3
backbreaking(adjective, hard, harsh, heavy)
3
complicated(adjective, tough, rough, heavy)
3
effortful(adjective, tough, severe, harsh)
3
mean(adjective, hard, severe, rough)
10 years ago|21k views|share |citing 
APASmart Define. (2016). exacting thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/exacting/thesaurus/synonyms
ChicagoSmart Define. 2016. "exacting thesaurus" https://smartdefine.org/exacting/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, exacting thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/exacting/thesaurus/synonyms>.
MLASmart Define. "exacting thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/exacting/thesaurus/synonyms>