extemporizeverb [ I ]
formal UK usually extemporise uk/ɪkˈstem.pər.aɪz/us/ɪkˈstem.pɚ.aɪz/to speak or perform without any preparation or thought:
I'd lost my notes and had to extemporize.
Thesaurus: synonyms and related words
Lecturing & addressing
- address
- angle
- floor
- hold
- hold forth
- jawbone
- lead 1
- lead off
- lecture
- maiden speech
- monologue
- oration
- oratory
- sermonize
- speaking
- speech
- speechify
- talk
- talk at sb
- valediction
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Not expected or planned