107 entries under tough topic. ×

1
painful(adjective, severe, harsh, heavy)
1
punctilious(adjective, strong, hard, severe)
1
scrupulous(adjective, hard, severe, rough)
1
set(adjective, severe, firm, honest)
1
square(adjective, severe, firm, harsh)
1
thick-skinned(adjective, harsh, cruel, detached)
1
unpermissive(adjective, hard, severe, rough)
0
antagonistic(adjective, harsh, cruel, grim)
0
cold fish(expression, adjective, harsh, cruel)
0
dense(adjective, strong, hard, sturdy)
0
ferric(adjective, strong, hard, sturdy)
0
ferrous(adjective, strong, hard, sturdy)
0
indomitable(adjective, strong, hard, sturdy)
0
ironfisted(rigid, scrupulous)
0
perverse(adjective, harsh, cruel, grim)
0
picky(adjective, severe, firm, harsh)
0
rancorous(adjective, harsh, cruel, grim)
0
resentful(adjective, harsh, cruel, grim)
0
robust(adjective, strong, hard, sturdy)
0
steel(adjective, strong, hard, sturdy)
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APASmart Define. (2016). austere thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/austere/thesaurus/synonyms
ChicagoSmart Define. 2016. "austere thesaurus" https://smartdefine.org/austere/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, austere thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/austere/thesaurus/synonyms>.
MLASmart Define. "austere thesaurus" 22 January 2016. Web. 30 September 2026. <https://smartdefine.org/austere/thesaurus/synonyms>