Synonyms of rocklike

1 Syllable
hard, firm, tough, rough
2 Syllables
rugged, bloodless, flinty, rocker, ory, stannic, solid, tinny, steady, tinniest
3 Syllables
pitiless, metallic, geologic, adamant
4 Syllables
obdurate, insensible, metallurgic, dependable, impassible, insensate
5 Syllables
insensitive