extempore

About 0.17 uses per million words.

Meaning

1. adjective Carried out with no preparation; impromptu.
2. adverb Without preparation; extemporaneously.

   to speak extempore

3. noun Something improvised.
4. verb Synonym of extemporize.

Similar words

off-the-cuff extemporaneously extemporary extemporarily extemporaneous offhanded ad-lib offhand unprepared unrehearsed

Often followed by

prayer speaking speech prayers preaching and in speaker verses