Synonyms for callous Found 6 synonyms across 3 meanings for “callous”. make insensitive or callous (verb) cauterizecauterise emotionally hardened (adj) induratepachydermatous having calluses (adj) callousedthickened Explore Related Words Rhymes with callousSynonyms for cauterizeSynonyms for cauteriseSynonyms for indurateSynonyms for pachydermatousSynonyms for calloused Synonym Finder | Rhyme Finder | Poetry Editor