Converse of object

• use: We also use enormous slingshots to hurl rocks at our enemies.

• make: The folding wrist support makes this slingshot easy to take along with you anywhere.

• have: If this is done at extreme speed you have a very efficient slingshot.

• hold: Hold slingshot with handle horizontal and pull pouch back smoothly taking a deep breath.

Adjective modifier

• gravitational: These objects are generally thought to have been scattered out to their present orbits by a gravitational slingshot with Neptune.

Modifies a noun

• effect: The slingshot effect of gravity in the presence of gravity can be demonstrated in your back garden with a simple experiment.