airtight

adj 0.811

waterproof

adj 0.802

leakproof

adj 0.755

gastight

adj 0.729

waterproofed

adj 0.728

weatherproof

adj 0.699

water-resistant

adj 0.685

hermetically sealed

adj 0.660

rainproof

adj 0.660

impermeable

adj 0.631

hermetic

adj 0.631

nonpermeable

adj 0.608

tamperproof

adj 0.603

ironclad

adj 0.598

bulletproof

adj 0.596

impervious

adj 0.595

waterlogged

adj 0.594

bombproof

adj 0.593

sealed

adj 0.592

impregnable

adj 0.590

seaworthy

adj 0.585

sealing

adj 0.584

sealable

adj 0.584

unsinkable

adj 0.583

rustproof

adj 0.583

windproof

adj 0.570

foolproof

adj 0.566

heatproof

adj 0.565

leaky

adj 0.564

tight

adj 0.560

self-sealing

adj 0.560

watery

adj 0.559

well-fixed

adj 0.558

secure

adj 0.554

nonporous

adj 0.552

sure-fire

adj 0.550

lightproof

adj 0.549

impenetrable

adj 0.546

fireproof

adj 0.545

copper-bottomed

adj 0.545

dustproof

adj 0.545

infallible

adj 0.541

underwater

adj 0.541

unbreakable

adj 0.541

waterish

adj 0.538

wet

adj 0.537

watered

adj 0.537

word-perfect

adj 0.536

insulated

adj 0.535

unassailable

adj 0.534

fail-safe

adj 0.531

caulked

adj 0.531

finger tight

adj 0.530

skintight

adj 0.530

walled

adj 0.530

impeccable

adj 0.529

tamper-evident

adj 0.529

submersible

adj 0.528

fire-resistant

adj 0.527

soundproof

adj 0.527

shatterproof

adj 0.526

saturated

adj 0.525

draught-free

adj 0.525

permeable

adj 0.524

unbroken

adj 0.524

shockproof

adj 0.524

incompressible

adj 0.523

right as rain

adj 0.520

inexpugnable

adj 0.520

well-fitted

adj 0.519

above-water

adj 0.519

shipshape

adj 0.519

flameproof

adj 0.518

unimpeachable

adj 0.517

floodable

adj 0.515

hard-and-fast

adj 0.515

imperforate

adj 0.514

seawater

adj 0.513

waterside

adj 0.511

seamless

adj 0.511

high and dry

adj 0.511

ringfenced

adj 0.510

childproof

adj 0.509

protected

adj 0.509

aqua

adj 0.509

flawless

adj 0.508

plumb

adj 0.508

wetting

adj 0.507

hydrostatic

adj 0.506

stoppered

adj 0.506

inerrant

adj 0.505

buttoned-up

adj 0.505

invulnerable

adj 0.504

vacuum-packed

adj 0.503

squeaky clean

adj 0.503

unwatered

adj 0.502

safe and sound

adj 0.502

pressurized

adj 0.501

aqueous

adj 0.500

inviolable

adj 0.500