nonpermeable

adj 0.880

impervious

adj 0.819

impenetrable

adj 0.793

permeable

adj 0.765

nonporous

adj 0.741

semipermeable

adj 0.717

impassible

adj 0.704

impassable

adj 0.702

impregnable

adj 0.669

unpassable

adj 0.667

imperforate

adj 0.665

penetrable

adj 0.659

irrigable

adj 0.649

waterproof

adj 0.645

inexpugnable

adj 0.642

insusceptible

adj 0.642

watertight

adj 0.631

insoluble

adj 0.625

incompressible

adj 0.618

inaccessible

adj 0.617

permeant

adj 0.606

insuperable

adj 0.599

immiscible

adj 0.597

leakproof

adj 0.597

unsusceptible

adj 0.594

impalpable

adj 0.593

impermissible

adj 0.588

imperishable

adj 0.584

nonabsorbent

adj 0.583

imperceptible

adj 0.582

water-resistant

adj 0.581

infrangible

adj 0.578

nondeformable

adj 0.577

nontransparent

adj 0.575

imperceptive

adj 0.575

immovable

adj 0.575

unapproachable

adj 0.575

pervious

adj 0.573

porous

adj 0.572

irremovable

adj 0.572

inoperable

adj 0.572

insurmountable

adj 0.570

nonpolarizable

adj 0.568

gastight

adj 0.568

airtight

adj 0.568

incapable

adj 0.566

invulnerable

adj 0.566

unmovable

adj 0.566

inassimilable

adj 0.565

impressible

adj 0.565

inexorable

adj 0.565

permeabilized

adj 0.564

unbridgeable

adj 0.564

impossible

adj 0.562

irresoluble

adj 0.560

irrefragable

adj 0.559

rainproof

adj 0.559

irrecuperable

adj 0.559

nonabsorbing

adj 0.558

insensible

adj 0.558

nonwetting

adj 0.558

hydrophobic

adj 0.558

intransigent

adj 0.557

undoable

adj 0.556

unmoveable

adj 0.556

irreversible

adj 0.556

unconformable

adj 0.556

inviolable

adj 0.556

unbreakable

adj 0.554

unnavigable

adj 0.554

implacable

adj 0.553

inflexible

adj 0.551

unassimilable

adj 0.551

indissoluble

adj 0.550

insolvable

adj 0.550

nonperfused

adj 0.549

unperceptive

adj 0.548

unamendable

adj 0.547

irreparable

adj 0.547

intransparent

adj 0.546

unprotectable

adj 0.545

irremediable

adj 0.545

incorruptible

adj 0.545

unreachable

adj 0.545

imperturbable

adj 0.544

nonflowing

adj 0.543

weatherproof

adj 0.542

unbreathable

adj 0.542

incombustible

adj 0.541

nonfermentable

adj 0.538

unpermitted

adj 0.538

imposable

adj 0.538

unresectable

adj 0.538

untouchable

adj 0.537

nonabsorbable

adj 0.537

impracticable

adj 0.536

isolable

adj 0.535

unsinkable

adj 0.534

unremovable

adj 0.533

waterproofed

adj 0.532