Translation Japanese English: 頑丈

1 absolute, impregnable, infrangible, inviolable, inviolate, sacrosanct, secure, strong, unassailable, unattackable.

2 adamant, adamantine, blunt, candid, fast, firm, forthright, frank, free-spoken, inexorable, intransigent, loyal, outspoken, plainspoken, point-blank, solid, staunch, steadfast, steady, stiff, straight-from-the-shoulder, strong, sure, tight, truehearted, unbendable, unfaltering, unshakable, unswerving, unwavering.

3 arduous, austere, awkward, backbreaking, callous, difficult, dour, embarrassing, fibrous, forbidding, grim, grueling, gruelling, hard, hard-boiled, hardhearted, heartless, heavy, indurate, knockout, laborious, operose, pachydermatous, punishing, rocky, rough, severe, sinewy, stern, sticky, stiff, stifling, stringy, sulfurous, sulphurous, sultry, toilsome, tough, toughened, unchewable, unenviable, unyielding.

4 arduous, backbreaking, baffling, elusive, grueling, gruelling, hard, heavy, intemperate, knotty, laborious, operose, problematic, problematical, punishing, toilsome, tough, toughened.

5 audacious, brave, dauntless, fearless, hardy, intrepid, stalwart, stout, sturdy, unfearing.

6 bad, baffling, elusive, hard, knotty, problematic, problematical, ruffianly, rugged, sturdy, tough, toughened.

7 bad, beefy, big, brawny, buirdly, burly, compact, forte, full-blooded, hard, hardy, harsh, hearty, heavy, heavyset, hefty, husky, loud, lusty, muscular, potent, powerful, red-blooded, sinewy, solid, stalwart, stocky, stout, strapping, strong, sturdy, substantial, thick, thickset, tough, warm.

8 bad, big, firm, hard, harsh, impregnable, intense, inviolable, mighty, potent, powerful, resistant, robust, secure, solid, steadfast, steady, stiff, strong, substantial, tolerant, tough, toughened, unassailable, unattackable, unbendable, unfaltering, unshakable, unwavering.

9 baffling, elusive, firm, knotty, problematic, problematical, tough, toughened.

10 buckram, contrary, dependable, fast, firm, formal, good, hard, honest, impregnable, inviolable, loyal, obstinate, perverse, reliable, rigid, safe, secure, solid, starchy, steadfast, steady, stiff, strong, tight, tough, toughened, true, truehearted, unassailable, unattackable, unbendable, unfaltering, unshakable, unwavering, wayward.

11 buckram, contrary, dependable, fast, firm, good, hard, honest, impregnable, inviolable, loyal, obstinate, perverse, reliable, rigid, safe, secure, solid, starchy, steadfast, steady, stiff, strong, stubborn, sure, tough, toughened, true, truehearted, unassailable, unattackable, unbendable, unfaltering, unregenerate, unshakable, unwavering, wayward.

12 bulletproof, impregnable, inviolable, secure, strong, unassailable, unattackable, unshakable, untouchable, watertight.

13 conceptive, impregnable, inexpugnable, inviolable, secure, strong, unassailable, unattackable.

14 concrete, firm, massive, monolithic, solid, strong, substantial, unanimous, whole.

15 consistent, firm, solid, uniform.

16 dependable, good, impregnable, inviolable, protected, safe, secure, strong, unafraid, unassailable, unattackable, untroubled.

17 durable, firm, lasting, long-lasting, long-lived, robust, solid, strong, substantial, well.

18 fast, firm, immobile, loyal, solid, steadfast, steady, stiff, strong, truehearted, unbendable, unfaltering, unfluctuating, unshakable, unwavering.

19 firm, fixed, hard, rigid, set, solid, tough, toughened.

20 firm, hard, impregnable, inviolable, potent, secure, solid, stiff, strong, substantial, unassailable, unattackable, warm.

21 firm, hardy, impregnable, inviolable, secure, solid, stalwart, stout, strong, sturdy, tough, toughened, unassailable, unattackable.

22 firm, hearty, satisfying, self-colored, self-coloured, solid, square, strong, substantial, unanimous, upstanding, whole.

23 firm, impregnable, inflexible, inviolable, secure, steadfast, steady, stiff, strong, sturdy, unassailable, unattackable, unbendable, uncompromising, unfaltering, unshakable, unwavering.

24 firm, impregnable, inviolable, rigid, secure, sound, steadfast, steady, stiff, strong, unassailable, unattackable, unbendable, unfaltering, unshakable, unwavering.

25 good, hardy, sound, stalwart, stout, sturdy.

26 hard, rough, sturdy, tough, toughened, unsmooth.

27 hardened, tempered, tough, toughened, treated.

28 hardy, immune, insubordinate, repellent, resistant, resistive, stalwart, stout, sturdy, tough.

29 hardy, impregnable, inviolable, obstinate, robust, secure, stalwart, stout, strong, stubborn, sturdy, tough, toughened, unassailable, unattackable, unregenerate.

30 hardy, inflexible, stalwart, stout, sturdy, tough, uncompromising.

31 hardy, portly, stalwart, stout, sturdy.

32 hardy, stalwart, stout, stouthearted, sturdy.

33 impregnable, inviolable, peaceable, peaceful, secure, strong, unafraid, unassailable, unattackable, untroubled.

34 resolute, tough, toughened.