extempore

noun 0.779

improvisation

noun 0.754

improv

noun 0.726

improvising

noun 0.720

spur of the moment

noun 0.703

improvisational theatre

noun 0.651

impro

noun 0.650

improvisational comedy

noun 0.643

improviser

noun 0.638

impulsive

noun 0.617

ex tempore

noun 0.591

unprepared

noun 0.576

spontaneity

noun 0.576

impulse

noun 0.573

impulsiveness

noun 0.571

impetuousness

noun 0.566

imprest

noun 0.565

impulse purchase

noun 0.560

instant

noun 0.558

unforeseen

noun 0.556

impulsivity

noun 0.555

impetuosity

noun 0.549

impulse buy

noun 0.546

imp

noun 0.546

makeshift

noun 0.534

haphazard

noun 0.534

unpredictable

noun 0.528

impost

noun 0.528

unexpectedness

noun 0.527

improvidence

noun 0.521

imperf

noun 0.520

quick

noun 0.517

impertinent

noun 0.515

impersonal

noun 0.515

interjection

noun 0.514

prompt

noun 0.512

freestyling

noun 0.510

free-form

noun 0.509

impression

noun 0.508

last minute

noun 0.507

impending

noun 0.507

unthought

noun 0.506

impress

noun 0.505

imposture

noun 0.505

automatism

noun 0.504

improver

noun 0.504

whim

noun 0.501