Cagey (adjective)

1. Suspicious or wary, especially when hiding something.
2. Being cagey means being evasive or noncommittal in one's responses or actions, especially when questioned or probed.

Origin:

Perhaps from cage (a container for confining animals) + -y.

Examples:

1. He was cagey about his plans for the future.
2. She was cagey when questioned about her involvement in the project.
3. He became cagey when asked about his past.
4. The politician was cagey about his stance on the issue.
5. He was being cagey, he didn't want to reveal all the details of his plan.