3
scheming
3
semihard
3
serious
3
set
3
shameful
3
shrewd
3
solid
3
stony
3
ticklish
3
titanic
3
touchy
3
tough
3
tricky
3
troublesome
3
trying
3
tumid
3
unfortunately(adverb, bitterly, grievously, dolefully, dolorously)
2
adamant(adjective, firmness, hardness, solidity, sturdiness)
2
allergic
2
avoiding contact
10 years ago|1.4k views|share |citing 
APASmart Define. (2016). hard thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/hard/thesaurus/related
ChicagoSmart Define. 2016. "hard thesaurus" https://smartdefine.org/hard/thesaurus/related (accessed September 24, 2026).
HarvardSmart Define 2016, hard thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/hard/thesaurus/related>.
MLASmart Define. "hard thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/hard/thesaurus/related>