improvisatory

adj 0.813

extempore

adj 0.801

extemporaneous

adj 0.801

improvisational

adj 0.787

improvised

adj 0.777

off-the-cuff

adj 0.750

unpremeditated

adj 0.709

unscripted

adj 0.693

unplanned

adj 0.690

unrehearsed

adj 0.689

spontaneous

adj 0.689

ad-libbed

adj 0.679

unprompted

adj 0.673

impulsive

adj 0.669

offhand

adj 0.658

ex tempore

adj 0.653

unscheduled

adj 0.652

impetuous

adj 0.642

ad hoc

adj 0.621

offhanded

adj 0.614

unanticipated

adj 0.613

informal

adj 0.604

unprepared

adj 0.602

off-handed

adj 0.598

sudden

adj 0.594

makeshift

adj 0.594

unforeseen

adj 0.593

instant

adj 0.587

haphazard

adj 0.584

improvident

adj 0.583

unannounced

adj 0.583

abrupt

adj 0.577

unpredicted

adj 0.577

untimely

adj 0.576

freehand

adj 0.572

free-form

adj 0.571

immediate

adj 0.569

unstructured

adj 0.567

slapdash

adj 0.564

last minute

adj 0.561

unceremonious

adj 0.561

accidental

adj 0.560

unintended

adj 0.560

unsolicited

adj 0.560

precipitant

adj 0.559

random

adj 0.559

nonscheduled

adj 0.557

capricious

adj 0.557

ill-considered

adj 0.555

hasty

adj 0.555

ad lib

adj 0.554

inopportune

adj 0.547

unthought

adj 0.546

precipitate

adj 0.546

unlooked for

adj 0.546

prompt

adj 0.545

unbidden

adj 0.545

unrequested

adj 0.543

instantaneous

adj 0.540

pro tem

adj 0.538

unwritten

adj 0.537

quick

adj 0.536

arbitrary

adj 0.535

unorganized

adj 0.535

unexpected

adj 0.535

desultory

adj 0.534

nuncupative

adj 0.533

unpredictable

adj 0.533

impressionistic

adj 0.532

imprecise

adj 0.531

unadvertised

adj 0.531

pro forma

adj 0.530

unpracticed

adj 0.528

inadvertent

adj 0.528

unforeseeable

adj 0.528

implicit

adj 0.528

whimsical

adj 0.527

impermanent

adj 0.527

temporary

adj 0.527

improper

adj 0.527

untitled

adj 0.526

unordered

adj 0.526

unofficial

adj 0.525

unstudied

adj 0.525

untimed

adj 0.524

uncalled-for

adj 0.524

impositional

adj 0.523

nonimpulsive

adj 0.523

unformulated

adj 0.522

emergent

adj 0.522

casual

adj 0.521

preemptory

adj 0.520

unasked

adj 0.519

irregular

adj 0.519

unwarned

adj 0.519

indefinite

adj 0.518

intuitional

adj 0.518

unorganised

adj 0.517

excursive

adj 0.517

uninstructed

adj 0.517