Synonyms of flinty

1 Syllable
hard, firm, tough, cruel, stern
2 Syllables
crueler, stony, cruelest, steely, tougher, sterner, rigid, pebbly, rockbound, rocky, toughest, petrous, lithic, rockier, hardshell, sternest
3 Syllables
unyielding, severest, rocklike, bouldered, rock-ribbed, severer
4 Syllables
iron-handed, inflexible, lapidarian, stonelike
5 Syllables
unsympathetic