128 entries under harsh topic. ×

2
flinty(adjective, strong, hard, tough, severe)
2
grievous(adjective, tough, cruel, grim)
2
inhuman(adjective, mean, hard, cold)
2
merciless(adjective, appearance, hard, severe)
2
stubborn(adjective, appearance, strong, hard, tough)
2
unkind(adjective, hard, tough, severe, sharp)
2
unpleasant(adjective, hard, tough, severe, sharp)
2
uptight(adjective, tough, severe, firm)
1
stuffy(adjective, tough, severe, firm)
1
adamantine(adjective, strong, hard, tough, severe)
1
callous(adjective, mean, hard, tough)
1
cold-blooded(adjective, hard, tough, cruel)
1
coldblooded(adjective, mean, hard, cold)
1
coldhearted(adjective, mean, hard, cold)
1
dead set(expression, adjective, tough, severe, firm)
1
disagreeable(adjective, tough, difficult, unhappy)
1
disciplinary(adjective, strong, hard, tough, severe)
1
distressing(adjective, tough, severe, heavy)
1
dyed-in-the-wool(adjective, strong, hard, tough, severe)
1
hang-tough(adjective, strong, hard, tough, severe)
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APASmart Define. (2016). austere thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/austere/thesaurus/synonyms
ChicagoSmart Define. 2016. "austere thesaurus" https://smartdefine.org/austere/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, austere thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/austere/thesaurus/synonyms>.
MLASmart Define. "austere thesaurus" 22 January 2016. Web. 27 September 2026. <https://smartdefine.org/austere/thesaurus/synonyms>