Synonyms of thick-skinned

1 Syllable

tough

2 Syllables

bullhead, callous, aloof, heartless

3 Syllables

hard-hearted, feelingless, stiff-necked, uncordial, benumbed, coldhearted, hard-as-nails, hardhearted, toughened, hardboiled, seasoned, unbending, unfeeling

4 Syllables

ironhearted, obdurate, unamiable, emotionless, case-hardened

5 Syllables

uninterested, unemotional, insusceptible, insensitive, casehardened, imperturbable, nonemotional