Đồng nghĩa của well fortified

solid sound durable firm strong reliable robust stable compelling established steely airtight effective unassailable dependable indestructible infallible toughened cogent reinforced unshakable indubitable secure unbreakable fortified impregnable inured enduring hardened steady invulnerable lasting safe stout strengthened sturdy imperishable invincible substantial cast-iron long-lasting rock-solid tried-and-true well built well-built well constructed well-constructed well-defined well-established well founded well-founded well-made impenetrable inviolable unattackable well defended unconquerable unbeatable immovable indomitable unyielding sacrosanct sacred holy hallowed untouchable well-defended hardy heavy hard heavy-duty armoured hard-wearing safe and sound hard as nails bombproof fixed concrete impassible cohesive knockabout armored fast well made resistant well protected flourishing everlasting well-armed well-protected seasoned hard-bitten storm-resistant stormproof bulletproof unstoppable insurmountable insuperable tough resilient rugged impervious vigorous stalwart staunch steadfast resolute rigid permanent protected waterproof strongly made unshakeable set perdurable tight tenacious unwavering windproof forceful iron trustworthy inflexible adamantine constant responsible secured made to last tried riveted deep-rooted stiff immune honourable honorable determined stiffened frozen immutable true upright built to last stony faithful unfaltering unfailing lusty infrangible anchored rooted taut unchangeable sure braced cemented abiding trustable long-lived long-standing nailed calculable snug insusceptible moored tightened continuing honest jammed fastened trusty eternal weatherproof lifelong lodged stuck repellent unmalleable consistent rocklike indurate bound solidified rocky proof against powerful impassable rock-hard rock-like as hard as stone as hard as iron serviceable uncompromising hearty emphatic wear-resistant shatterproof shellproof inexpugnable unrelenting assertive non-breakable aggressive nonbreakable purposeful foolproof clenched clinched bold zealous brass-bound indissoluble incorruptible tied vice-like risk-free immalleable impliable low-risk surviving perduring diuturnal long-continued inspiring distinctive individual water-resistant unaffected as hard as a rock recognized attested riskless compact granite clasped fitted galvanized tempered galvanised certain locked error-tolerant fixed firmly insensitive reputable proven remaining long-established long-running done up buttoned down loyal good straightforward trusted never-failing unsurmountable unsusceptible to unaffected by repellent of impervious to invulnerable to immune to solid as a rock prevailing persistent persisting credible predictable unswerving unflinching dauntless indefatigable unbending ongoing perennial time-honoured immortal traditional long-term fortress-like sterling recognised committed invariable unalterable irrepressible undefeatable supreme irresistible tried and true tried and tested tried and trusted imperviable to safe as houses invariant irreversible changeless unpliable characterful balanced equable decided incommutable indurated impermeable settled embedded stationary motionless treated proofed rainproof imperviable perpetual inevitable unfading ineradicable inalterable hard-and-fast unvarying renitent concentrated childproof soundproof fireproof tamper-proof leakproof well balanced well-balanced proof unmovable unmodifiable unchanged damp-proof wedged unmoving welded unfluctuating able to withstand mounted bolted soldered screwed irremovable immobile hard and fast set in stone

well-found well founded well-founded well-foundedness well frequented well-functioning well forth well- formed well-formed well focused well-flavored well-fixed