improvise
Pronunciation: /ˈɪmprəvʌɪz/
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Definition of improvise
verb
Derivatives
Origin:
early 19th century (earlier (late 18th century) as improvisation): from French improviser or its source, Italian improvvisare, from improvviso 'extempore', from Latin improvisus 'unforeseen', based on provisus, past participle of providere 'make preparation for'
Spelling help
Unlike most verbs ending in -ise, improvise cannot be spelled with an -ize ending.