Synonyms of refractory

1 Syllable

firm, firms, stiff, mule

2 Syllables

willful, stiffest, stubborn, firmest, headstrong, mulish, stiffer, factious, creakier, creaky, naughtiest, firmer, defiant, froward, buckram, naughtier, naughty, tough-nut, wayward, fractious

3 Syllables

hardline, ruffianly, uncompliant, unyielding, uncomplying, untoward, contrary, noncompliant, unsupple, fine-grained, nonporous, uncheerful, wrongheaded, restive, unruly, unpliable, unwilling, contrarious, self-willed, hard-shelled, perverse, rebellious

4 Syllables

intractable, infestive, troublesome, close-grained, obstinate, unbendable, indocile, unobliging, disobedient, contumacious, recalcitrant

5 Syllables

unmanageable, incompressible, declinatory, unamenable, indisciplined

6 Syllables

unaccommodating, insubordinate, opinionative