Extemporaneousness

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
The degree or property of being extemporaneous. uncountable

Synonyms

ad lib disqualification impromptu improvisation incapability incompetence

Etymology

From extemporaneous + -ness.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.