152 entries under expression topic. ×

19
hard to understand(adjective, idiom, difficult, complex)
3
hard as nails(adjective, idiom, set, strong)
3
not easy(idiom, difficulty)
2
hammer and tongs(idiom, adverb, strong)
2
in the red
2
tooth and nail(idiom, adverb, strong)
1
at close quarters
1
bec et ongles
1
bit much(dull, tedious, irritating, exhausting)
1
bitter as gall
1
blind to(adjective, careless, indifferent, cruel)
1
bound and determined(adjective, idiom, harsh, cruel)
1
brick wall(adjective, strong, severe, substantial)
1
by the book(adjective, idiom, strong, tough)
1
can of worms(adjective, idiom, fancy, difficult)
1
close at hand
1
cold fish(adjective, mean, tough, severe)
1
cold of heart
1
dead set(tough, severe, firm, harsh)
1
dead set on(adjective, idiom, severe, harsh)
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APASmart Define. (2016). hard thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/hard/thesaurus/synonyms
ChicagoSmart Define. 2016. "hard thesaurus" https://smartdefine.org/hard/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, hard thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/hard/thesaurus/synonyms>.
MLASmart Define. "hard thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/hard/thesaurus/synonyms>