lightning fast

adv 0.857

fast

adv 0.845

fastly

adv 0.758

quick as a flash

adv 0.751

rapidly

adv 0.733

double-quick

adv 0.723

prestissimo

adv 0.722

quick

adv 0.706

quickly

adv 0.704

speedily

adv 0.699

rapid

adv 0.698

super

adv 0.671

veloce

adv 0.665

lickety-split

adv 0.660

swiftly

adv 0.659

instantly

adv 0.654

blazingly

adv 0.650

presto

adv 0.650

instantaneously

adv 0.638

accelerando

adv 0.633

apace

adv 0.630

full speed ahead

adv 0.623

posthaste

adv 0.619

extremely

adv 0.619

thick and fast

adv 0.619

mile-a-minute

adv 0.618

expeditiously

adv 0.617

sharpish

adv 0.607

in a snap

adv 0.606

in short order

adv 0.603

fortissimo

adv 0.602

furiously

adv 0.597

insanely

adv 0.595

furioso

adv 0.591

superhumanly

adv 0.588

mediately

adv 0.585

verbatim

adv 0.584

straightway

adv 0.583

highly

adv 0.582

urgently

adv 0.582

the

adv 0.582

fantastically

adv 0.580

tout de suite

adv 0.578

hastily

adv 0.578

powerful

adv 0.576

madly

adv 0.575

instanter

adv 0.574

item

adv 0.573

blisteringly

adv 0.573

full-on

adv 0.570

hotfoot

adv 0.570

massively

adv 0.568

immediately

adv 0.566

hard

adv 0.566

leaps and bounds

adv 0.565

incredibly

adv 0.564

efficiently

adv 0.563

snappily

adv 0.561

very

adv 0.560

full on

adv 0.560

right away

adv 0.559

flat out

adv 0.559

explosively

adv 0.559

briskly

adv 0.558

exponentially

adv 0.558

maximally

adv 0.557

subito

adv 0.557

forte

adv 0.556

sharp

adv 0.555

at once

adv 0.554

allegro

adv 0.554

amazingly

adv 0.553

superbly

adv 0.552

superlatively

adv 0.551

fatly

adv 0.551

easily

adv 0.550

drastically

adv 0.550

double

adv 0.550

short

adv 0.549

raving

adv 0.549

frantically

adv 0.549

slam-bang

adv 0.548

easy

adv 0.548

supremely

adv 0.548

pronto

adv 0.547

fabulously

adv 0.547

soon

adv 0.546

blindingly

adv 0.546

superabundantly

adv 0.546

strongly

adv 0.545

bolt

adv 0.544

as all get-out

adv 0.544

very well

adv 0.544

bright

adv 0.544

fully

adv 0.544

hurriedly

adv 0.543

frenetically

adv 0.543

something terrible

adv 0.542

light

adv 0.542

fleetly

adv 0.542