superfast

adv 0.857

quick as a flash

adv 0.821

fast

adv 0.760

lickety-split

adv 0.719

double-quick

adv 0.716

fastly

adv 0.704

quickly

adv 0.699

quick

adv 0.697

rapidly

adv 0.688

speedily

adv 0.681

swiftly

adv 0.678

blazingly

adv 0.676

prestissimo

adv 0.663

rapid

adv 0.655

veloce

adv 0.638

instantly

adv 0.638

instantaneously

adv 0.632

in a snap

adv 0.628

expeditiously

adv 0.615

by thunder

adv 0.605

presto

adv 0.605

sharpish

adv 0.601

blisteringly

adv 0.601

in short order

adv 0.599

thick and fast

adv 0.598

bolt

adv 0.598

mile-a-minute

adv 0.594

light

adv 0.592

fleetly

adv 0.591

posthaste

adv 0.586

hastily

adv 0.583

furiously

adv 0.578

full speed ahead

adv 0.577

apace

adv 0.574

hotfoot

adv 0.573

blindingly

adv 0.572

briskly

adv 0.568

thunderously

adv 0.568

slam-bang

adv 0.563

mediately

adv 0.563

snappily

adv 0.563

accelerando

adv 0.559

leaps and bounds

adv 0.557

explosively

adv 0.556

brilliantly

adv 0.554

dazzlingly

adv 0.552

meteorically

adv 0.547

extremely

adv 0.547

immediately

adv 0.546

right away

adv 0.545

nimbly

adv 0.544

dashingly

adv 0.544

bright

adv 0.543

hurriedly

adv 0.543

furioso

adv 0.543

urgently

adv 0.542

bright and early

adv 0.541

tout de suite

adv 0.540

powerful

adv 0.539

on the fly

adv 0.539

smooth as silk

adv 0.539

fortissimo

adv 0.538

straightway

adv 0.538

brightly

adv 0.537

instanter

adv 0.536

sharp

adv 0.535

at once

adv 0.535

blazes

adv 0.534

deftly

adv 0.533

promptly

adv 0.533

incredibly

adv 0.533

verbatim

adv 0.533

insanely

adv 0.532

as all get-out

adv 0.532

mighty

adv 0.530

super

adv 0.530

amazingly

adv 0.529

as all hell

adv 0.529

at one blow

adv 0.529

fiercely

adv 0.528

startlingly

adv 0.527

allegro

adv 0.526

to the minute

adv 0.526

superhumanly

adv 0.525

agilely

adv 0.523

madly

adv 0.523

ablaze

adv 0.522

highly

adv 0.522

efficiently

adv 0.521

astonishingly

adv 0.521

easily

adv 0.521

hotly

adv 0.520

fantastically

adv 0.519

slickly

adv 0.518

sharply

adv 0.517

frighteningly

adv 0.515

ferociously

adv 0.515

close to the wind

adv 0.514

gangbusters

adv 0.514

shockingly

adv 0.513