* Taking back a statement: "The politician was forced to retract his false claims after evidence surfaced."
* Pulling back a physical object: "The robot arm retracted the probe into its protective casing."
* Formal withdrawal of something: "The company retracted its offer for the merger after the negotiations fell through."
* Retracting a body part: "The cat retracted its claws and purred contentedly."
* Retracting a claim: "The scientist retracted his earlier findings after further research revealed flaws in his methodology."
Let me know if you'd like more examples!