Capable of being drawn back or in. The retractable roof of the stadium allows for games to be played in any weather.
Designed to be extended and then withdrawn into a casing or housing. The pen has a retractable tip, making it convenient to carry in a pocket without worrying about ink stains.
Able to be withdrawn or revoked, especially of a statement, promise, or claim. His accusation proved retractable once the evidence was clarified.