Improvise vs. Improvize — Which is Correct Spelling?

To make, compose, or perform with little or no preparation

To make or provide from available materials

To make, compose, or perform something extemporaneously.

To make do with whatever materials are at hand

To make something up or invent it as one goes on; to proceed guided only by imagination, intuition, and guesswork rather than by a careful plan.

To compose, recite, or sing extemporaneously, especially in verse; to extemporize; also, to play upon an instrument, or to act, extemporaneously.

To bring about, arrange, do, or make, immediately or on short notice, without previous preparation and with no known precedent as a guide.

To invent, or provide, offhand, or on the spur of the moment; as, he improvised a hammer out of a stone.

To produce or render extemporaneous compositions, especially in verse or in music, without previous preparation; hence, to do anything offhand.

Perform without preparation;

Manage in a makeshift way; do with whatever is at hand;