40 entries under dull topic. ×

1
make callous(verb, expression, develop, rough)
1
numb(verb, develop, rough, adjust)
1
paralyze(verb, develop, rough, adjust)
1
render insensitive(verb, expression, develop, rough)
1
season(verb, develop, rough, adjust)
1
steel(verb, develop, rough, adjust)
1
stiffen(verb, develop, rough, adjust)
1
strengthen(verb, develop, rough, adjust)
1
stun(verb, develop, rough, adjust)
1
stupefy(verb, develop, rough, adjust)
1
teach(verb, develop, rough, adjust)
1
train(verb, develop, rough, adjust)
0
calloused(verb, blunt, calcify, curdled)
0
case-hardened(verb, develop, blunt, calcify)
0
caseharden(verb, develop, blunt, calcify)
0
casehardened(verb, develop, blunt, calcify)
0
casehardening(verb, develop, blunt, calcify)
0
coarsened(verb, develop, blunt, calcify)
0
disciplined(verb, blunt, numb, calcify)
0
disciplining(verb, blunt, numb, calcify)
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APASmart Define. (2015). roughen thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/roughen/thesaurus/synonyms
ChicagoSmart Define. 2015. "roughen thesaurus" https://smartdefine.org/roughen/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, roughen thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/roughen/thesaurus/synonyms>.
MLASmart Define. "roughen thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/roughen/thesaurus/synonyms>