People are gathering to listen to extemporaneous speeches.
Amid the greetings and extemporaneous speeches she suddenly realized that she was exhausted.
Toastmasters make long speeches, short speeches, theme speeches, extemporaneous speeches.
Ryan's turn of phrase was too polished for extemporaneous speech.
Many of these literary languages, although having few or no native speakers, were far from "dead", and were quite often used even in extemporaneous speech.
You've made this distinction many times-you instantly recognize the difference between natural extemporaneous speech, memorized speech, and speech that is being read.
He delivered extemporaneous speeches for the debate team, ran cross-country, swam like a fish and sang carols at Christmastime.
The illness led to his entering into extemporaneous speech and debate competitions, and was quickly a star debater.
Her best-known extemporaneous speech on gender inequalities, "Ain't I a Woman?"
She noticed that he had no notes, and wondered if an extemporaneous speech was quite wise.