heavier-than-air

adj 0.744

weightless

adj 0.716

feather-light

adj 0.681

light as a feather

adj 0.675

ultralight

adj 0.673

aerostatic

adj 0.662

lightweight

adj 0.657

light

adj 0.632

floaty

adj 0.625

aeriform

adj 0.609

buoyant

adj 0.595

lightish

adj 0.594

aero

adj 0.583

floatable

adj 0.577

nonpressurized

adj 0.576

lite

adj 0.569

lightless

adj 0.569

light-handed

adj 0.562

dirigible

adj 0.561

pneumatic

adj 0.558

aeronautic

adj 0.556

lighthearted

adj 0.555

gaseous

adj 0.552

vaporous

adj 0.552

full of hot air

adj 0.551

superfluid

adj 0.549

gossamer

adj 0.548

massless

adj 0.547

aerodynamic

adj 0.546

ethereal

adj 0.544

fluidlike

adj 0.542

airless

adj 0.542

ballooning

adj 0.536

airworthy

adj 0.536

gas

adj 0.536

hypobaric

adj 0.535

floating

adj 0.534

flyable

adj 0.532

aerodynamical

adj 0.532

cloudlike

adj 0.530

alight

adj 0.530

lucent

adj 0.529

aerated

adj 0.529

airy

adj 0.529

flying

adj 0.528

nongravitational

adj 0.527

airheaded

adj 0.527

lithesome

adj 0.526

atmospheric

adj 0.526

inertialess

adj 0.525

inflatable

adj 0.524

hydrogenic

adj 0.524

radiolucent

adj 0.523

liquid

adj 0.522

airborne

adj 0.520

underdense

adj 0.520

heliborne

adj 0.519

aerial

adj 0.519

nonflying

adj 0.518

unlighted

adj 0.517

volant

adj 0.517

uninflated

adj 0.517

lightproof

adj 0.516

lilting

adj 0.513

aeronautical

adj 0.510

airlifted

adj 0.510

atmospherical

adj 0.509

feathery

adj 0.508

sylphlike

adj 0.507

unlit

adj 0.505

rarefied

adj 0.505

vapory

adj 0.504

fluid

adj 0.504

breathy

adj 0.503

featherlike

adj 0.503

unweighed

adj 0.503

fluffy

adj 0.503

nonluminous

adj 0.502

superadiabatic

adj 0.501

ghostlike

adj 0.501

low-fat

adj 0.500