67 entries under tough topic. ×

45
grave(adjective, help, bad, hard, great)
44
severe(adjective, help, hard, difficult)
44
painful(adjective, hard, severe, rough)
37
distressing(adjective, mean, severe, rough)
34
hard(adjective, severe, rough, difficult)
29
serious(adjective, help, hard, great)
29
weighty(adjective, hard, great, severe)
22
heavy(adjective, bad, severe, difficult)
19
rugged(adjective, hard, severe, difficult)
18
stubborn(adjective, hard, difficult, harsh)
13
bitter(adjective, hard, rough, harsh)
11
troublesome(adjective, hard, severe, rough)
10
unpleasant(adjective, severe, sad, harsh)
9
dangerous(adjective, help, great, severe)
8
intolerable(adjective, hard, severe, rough)
7
dark(adjective, bad, severe, sad)
6
ugly(adjective, severe, unpleasant, awful)
4
brutal(adjective, harsh, unpleasant, cruel)
4
major(adjective, great, severe, unpleasant)
3
austere(adjective, harsh, cruel, grim)
10 years ago|18k views|share |citing 
APASmart Define. (2016). grievous thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/grievous/thesaurus/synonyms
ChicagoSmart Define. 2016. "grievous thesaurus" https://smartdefine.org/grievous/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, grievous thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/grievous/thesaurus/synonyms>.
MLASmart Define. "grievous thesaurus" 26 February 2016. Web. 29 September 2026. <https://smartdefine.org/grievous/thesaurus/synonyms>