improvize

Từ điển WordNet v3.1 - WordNet Dictionary

verb

perform without preparation
- he extemporized a speech at the wedding
• Syn:
improvise, ad-lib, extemporize, extemporise
• Derivationally related forms:
extemporisation (for: extemporise), extemporization (for: extemporize), ad-lib (for: ad-lib), improvisation (for: improvise)
• Hypernyms:
perform, execute, do
• Verb Frames:
- Somebody ----s
- Somebody ----s something