noncombustible

adj 0.859

nonflammable

adj 0.749

combustible

adj 0.736

inextinguishable

adj 0.691

fire-resistant

adj 0.691

inflammable

adj 0.639

ignitible

adj 0.627

incompressible

adj 0.619

indestructible

adj 0.618

flammable

adj 0.616

fireproof

adj 0.607

inexpugnable

adj 0.606

combustive

adj 0.600

burnable

adj 0.600

nonexplosive

adj 0.599

unburned

adj 0.597

ignitable

adj 0.595

insusceptible

adj 0.595

flameproof

adj 0.585

unburnt

adj 0.583

incorruptible

adj 0.578

indigestible

adj 0.572

unsinkable

adj 0.572

incompossible

adj 0.570

insoluble

adj 0.570

impenetrable

adj 0.568

flame-retardant

adj 0.567

unextinguished

adj 0.565

inexhaustible

adj 0.565

self-extinguishing

adj 0.564

inert

adj 0.563

unquenchable

adj 0.562

incomputable

adj 0.562

nonfermentable

adj 0.558

unsusceptible

adj 0.556

impregnable

adj 0.556

immovable

adj 0.555

inassimilable

adj 0.554

indemonstrable

adj 0.554

inedible

adj 0.552

imperishable

adj 0.551

noncorrosive

adj 0.548

unreactive

adj 0.548

insuperable

adj 0.547

impervious

adj 0.546

nonperishable

adj 0.546

invulnerable

adj 0.546

unmovable

adj 0.542

impermeable

adj 0.541

windproof

adj 0.539

nondecomposable

adj 0.535

undatable

adj 0.535

invincible

adj 0.532

nonconsumable

adj 0.531

immiscible

adj 0.530

indomitable

adj 0.530

inviolable

adj 0.529

uneatable

adj 0.529

unmoveable

adj 0.529

explosion-proof

adj 0.528

irresoluble

adj 0.528

ineducable

adj 0.528

implacable

adj 0.526

indissoluble

adj 0.526

irrefragable

adj 0.525

undegradable

adj 0.524

unbreakable

adj 0.524

nonconvertible

adj 0.523

incapable

adj 0.523

unconquerable

adj 0.522

incendiary

adj 0.522

unamendable

adj 0.520

nonvolatile

adj 0.520

inexorable

adj 0.520

nonfriable

adj 0.519

unassimilable

adj 0.519

heatproof

adj 0.518

infrangible

adj 0.518

nondegradable

adj 0.518

ineliminable

adj 0.518

incomparable

adj 0.518

non-computable

adj 0.518

nondeformable

adj 0.517

inanimate

adj 0.516

irrigable

adj 0.515

indefatigable

adj 0.515

nonmagnetic

adj 0.515

irrecuperable

adj 0.514

ever-burning

adj 0.514

incomprehensible

adj 0.513

nonluminous

adj 0.513

uninsurable

adj 0.513

nonconducting

adj 0.513

inviable

adj 0.513

impassible

adj 0.512

insurmountable

adj 0.512

inaccessible

adj 0.512

insolvable

adj 0.511

unsaponifiable

adj 0.510

nondigestible

adj 0.510