75 entries under hard topic. ×

1
surly(adjective, tough, severe, cold)
1
tough(adjective, mean, severe, harsh)
1
tough nut to crack(expression, adjective, idiom, mean)
1
unamiable(adjective, tough, severe, cold)
1
unbending(adjective, mean, harsh, inflexible)
1
uncompassionate(adjective, mean, tough, severe)
1
uncompromising(adjective, mean, tough, harsh)
1
uncooperative(adjective, mean, tough, harsh)
1
uncordial(adjective, tough, severe, cold)
1
unimpressible(adjective, mean, tough, harsh)
1
unkind(adjective, tough, severe, harsh)
1
unrelenting(adjective, mean, tough, harsh)
1
unshakable(adjective, mean, tough, harsh)
1
unyielding(adjective, mean, harsh, inflexible)
0
pigheaded(adjective, mean, harsh, inflexible)
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APASmart Define. (2011). cold fish thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/cold_fish/thesaurus/synonyms
ChicagoSmart Define. 2011. "cold fish thesaurus" https://smartdefine.org/cold_fish/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2011, cold fish thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/cold_fish/thesaurus/synonyms>.
MLASmart Define. "cold fish thesaurus" 24 May 2011. Web. 24 September 2026. <https://smartdefine.org/cold_fish/thesaurus/synonyms>