Usually means: Improvisation without preparation or rehearsal.
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We found 12 dictionaries that define the word extemporaneousness:

General (10 matching dictionaries)
  1. extemporaneousness: Merriam-Webster
  2. extemporaneousness: Oxford Learner's Dictionaries
  3. extemporaneousness: Collins English Dictionary
  4. extemporaneousness: Wordnik
  5. extemporaneousness: Wiktionary
  6. extemporaneousness: Dictionary.com
  7. extemporaneousness: FreeDictionary.org
  8. extemporaneousness: TheFreeDictionary.com

Business (1 matching dictionary)
  1. extemporaneousness: Legal dictionary

Computing (1 matching dictionary)
  1. extemporaneousness: Encyclopedia

(Note: See extemporaneous as well.)

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Definitions from Wiktionary (extemporaneousness)

▸ noun:  The degree or property of being extemporaneous.

Similar:
extemporaneity, extemporariness, temporaneousness, spontaneity, spontaneousness, extratemporality, unspontaneousness, unspontaneity, experimentalness, expositoriness, more...

Opposite:
premeditation, deliberation, planning, preparation

▸ Words similar to extemporaneousness

▸ Usage examples for extemporaneousness

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▸ Popular adjectives describing extemporaneousness

▸ Words that often appear near extemporaneousness

▸ Rhymes of extemporaneousness

▸ Invented words related to extemporaneousness

Similar:
extemporaneity, extemporariness, temporaneousness, spontaneity, spontaneousness, extratemporality, unspontaneousness, unspontaneity, experimentalness, expositoriness, more...

Opposite:
premeditation, deliberation, planning, preparation



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