Synonyms of stern

1 Syllable

rears, hard, tough, cruel, sterns, strict, harsh, rear, grim, rough

2 Syllables

prudish, stubborn, ruthless, mizzen, steely, hard-core, rearer, solemn, mulish, serious, grimmer, flinty, rigid, hard-shell, hang-tough, stricter, grimmest, frowning, strictest, postern, bitter, hard-line

3 Syllables

forbidding, ruffianly, unyielding, rigorous, stiff-necked, austere, crack-the-whip, unsparing, afterpart, severe, hardheaded, severest, bullheaded, long-faced, astringent, mortified, hindquarters, unsmiling, severer, ascetic, relentless, tailpiece, hard-boiled, hindermost, hard-nosed, hard-shelled, exacting

4 Syllables

dyed-in-the-wool, implacable, unrelenting, dictative, iron-handed, dictatorial, no-nonsense, inflexible, unhumorous

5 Syllables

inexorable, unpermissive, puritanical, disciplinary