Select the most appropriate synonym of the given word.

IMPROVISE

Extemporize

The most appropriate synonym of the given word improvise is extemporize.

• Improvise means "to make something up on the spur of the moment."
• Extemporize means "to speak or perform without preparation."
• Drop means "to fall or let fall suddenly."
• Descend means "to move or go downward."
• Slump means "to fall or sink suddenly and heavily."