What are the best answers for “another word for impromptu”?

extemporaneous, extemporary, extempore, unrehearsed.

How many letters does the top answer for “another word for impromptu” have?

The most common answer is extemporaneous (14 letters).

4 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

extemporaneous 14 letters gen-syn

with little or no preparation or forethought

extemporary 11 letters gen-syn

with little or no preparation or forethought

extempore 9 letters gen-syn

with little or no preparation or forethought

unrehearsed 11 letters gen-syn

with little or no preparation or forethought

another word for about 50% similar → approximately, roughly, some

another word for terms 50% similar → footing

another word for under 50% similar → nether

another word for word 50% similar → phrase