instant

adj 0.849

immediate

adj 0.741

momentary

adj 0.681

real-time

adj 0.645

sudden

adj 0.633

ultrafast

adj 0.622

superfast

adj 0.615

simultaneous

adj 0.612

minute-to-minute

adj 0.608

lightning fast

adj 0.607

synchronous

adj 0.603

quick

adj 0.601

rapid

adj 0.596

quick as a flash

adj 0.592

straightaway

adj 0.591

synchronic

adj 0.588

infinitesimal

adj 0.585

speedy

adj 0.582

fast

adj 0.581

acute

adj 0.576

tankless

adj 0.575

mile-a-minute

adj 0.570

contemporaneous

adj 0.568

isochronous

adj 0.567

short-acting

adj 0.562

transient

adj 0.561

intraday

adj 0.560

spontaneous

adj 0.558

short-period

adj 0.556

azonal

adj 0.553

short-term

adj 0.553

quicksilver

adj 0.551

hic et nunc

adj 0.551

infinitive

adj 0.550

expeditious

adj 0.549

time-invariant

adj 0.547

impulsive

adj 0.547

supersonic

adj 0.542

anytime

adj 0.542

transitory

adj 0.541

timely

adj 0.540

impromptu

adj 0.540

overnight

adj 0.538

precipitant

adj 0.537

every second

adj 0.536

abrupt

adj 0.536

prestissimo

adj 0.536

accelerated

adj 0.535

hourly

adj 0.534

ultrashort

adj 0.532

immanent

adj 0.532

impermanent

adj 0.532

quick-setting

adj 0.531

time-lapse

adj 0.529

hasty

adj 0.529

perpetual

adj 0.528

rapid fire

adj 0.527

current

adj 0.527

temporary

adj 0.527

extemporaneous

adj 0.526

lightninglike

adj 0.525

exponential

adj 0.525

isochronal

adj 0.525

impetuous

adj 0.524

time-dependent

adj 0.524

asynchronous

adj 0.523

quick off the mark

adj 0.523

ephemeral

adj 0.523

last minute

adj 0.521

now

adj 0.521

fleeting

adj 0.521

nonstop

adj 0.520

untimed

adj 0.520

actual

adj 0.519

lightfast

adj 0.518

extempore

adj 0.518

nonsynchronous

adj 0.517

intravenous

adj 0.517

unhesitating

adj 0.517

faster-than-light

adj 0.516

direct

adj 0.516

constant

adj 0.515

expedited

adj 0.514

quick-sighted

adj 0.514

intersample

adj 0.513

itive

adj 0.513

punctual

adj 0.513

infinite

adj 0.513

infinitival

adj 0.510

coincident

adj 0.510

imperfective

adj 0.509

quick on the draw

adj 0.508

dynamic

adj 0.507

ionotropic

adj 0.507

superspeed

adj 0.507

transeunt

adj 0.506

absolute

adj 0.506

evanescent

adj 0.506

inertialess

adj 0.506

point-blank

adj 0.506