improvisational

adj 0.964

improvised

adj 0.843

impromptu

adj 0.813

extemporaneous

adj 0.717

ad-libbed

adj 0.700

extempore

adj 0.679

makeshift

adj 0.630

unscripted

adj 0.625

impulsive

adj 0.622

off-the-cuff

adj 0.618

unrehearsed

adj 0.609

spontaneous

adj 0.600

improvident

adj 0.585

unpremeditated

adj 0.581

imaginative

adj 0.577

impositional

adj 0.573

impressionistic

adj 0.568

ex tempore

adj 0.565

free-form

adj 0.564

impetuous

adj 0.560

unplanned

adj 0.559

whimsical

adj 0.556

improvable

adj 0.556

ad lib

adj 0.552

improving

adj 0.552

ad hoc

adj 0.551

performatory

adj 0.549

fanciful

adj 0.548

creative

adj 0.547

inventive

adj 0.546

freehand

adj 0.546

provisional

adj 0.545

capricious

adj 0.544

interpolative

adj 0.542

offhand

adj 0.540

unscheduled

adj 0.539

arbitrary

adj 0.537

dynamic

adj 0.537

imitative

adj 0.535

interpolatory

adj 0.533

rhapsodical

adj 0.531

unstructured

adj 0.530

haphazard

adj 0.530

informal

adj 0.528

improper

adj 0.528

theatrical

adj 0.528

temporary

adj 0.526

impermanent

adj 0.525

innovative

adj 0.522

intuitional

adj 0.522

simulative

adj 0.521

innovatory

adj 0.521

conjectural

adj 0.520

speculative

adj 0.520

make-do

adj 0.519

imperfect

adj 0.519

unanticipated

adj 0.518

experimental

adj 0.517

slapdash

adj 0.516

performative

adj 0.516

offhanded

adj 0.514

acting

adj 0.514

unimproved

adj 0.512

unprompted

adj 0.511

interpretative

adj 0.511

imperfective

adj 0.511

rhapsodic

adj 0.511

exploratory

adj 0.508

imaginary

adj 0.508

random

adj 0.505

adaptative

adj 0.505

heuristic

adj 0.504

immediate

adj 0.504

unpredictable

adj 0.503

interim

adj 0.503

desultory

adj 0.502

serendipitous

adj 0.501

instrumental

adj 0.500