transitoriness

noun 0.762

ephemerality

noun 0.752

transience

noun 0.727

transiency

noun 0.696

momentariness

noun 0.695

temporariness

noun 0.679

flightiness

noun 0.677

fleetness

noun 0.672

ephemeral

noun 0.654

impermanence

noun 0.641

transient

noun 0.640

fickleness

noun 0.631

briefness

noun 0.622

fugitivity

noun 0.602

flimsiness

noun 0.601

flittering

noun 0.599

tenuousness

noun 0.586

flitter

noun 0.575

frailness

noun 0.571

flit

noun 0.569

elusiveness

noun 0.565

fitfulness

noun 0.560

brevity

noun 0.558

finitude

noun 0.555

effluxion of time

noun 0.553

fading

noun 0.553

slightness

noun 0.553

fleer

noun 0.552

faintness

noun 0.550

flickering

noun 0.548

fugit

noun 0.546

furtiveness

noun 0.546

changefulness

noun 0.543

short time

noun 0.540

perishability

noun 0.540

flicker

noun 0.534

intermittency

noun 0.534

ethereality

noun 0.534

flakiness

noun 0.531

inconstancy

noun 0.528

faddishness

noun 0.528

instantaneousness

noun 0.527

instancy

noun 0.525

frailty

noun 0.525

flashiness

noun 0.525

hastiness

noun 0.522

flimsy

noun 0.522

flash in the pan

noun 0.521

frivolousness

noun 0.521

intermittence

noun 0.519

finiteness

noun 0.516

fatefulness

noun 0.515

instantaneity

noun 0.514

frivolity

noun 0.514

fragility

noun 0.513

fluctuating

noun 0.513

fluttering

noun 0.511

fewness

noun 0.511

swiftness

noun 0.511

evanescence

noun 0.510

fugacity

noun 0.509

temporary

noun 0.508

limitedness

noun 0.507

forgetfulness

noun 0.507

superficiality

noun 0.506

suddenness

noun 0.504

finality

noun 0.503

fade away

noun 0.501

rapidness

noun 0.501

fluctuation

noun 0.500

insubstantiality

noun 0.500