extemporaneity

noun
ex·​tem·​po·​ra·​ne·​i·​ty | \ (ˌ)ek-ˌstem-pə-rə-ˈnē-ə-tē How to pronounce extemporaneity (audio) , -ˈnā-\

Definition of extemporaneity

: the quality or state of being extemporaneous

First Known Use of extemporaneity

1937, in the meaning defined above

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