overcautious (adjective)

1. Why did the overcautious squirrel never leave its tree? Because it was afraid of falling!

2. During the Cold War, the overcautious approach to nuclear disarmament prolonged tensions between the United States and the Soviet Union.

3. In the novel, the overcautious protagonist always weighed the pros and cons before making any decisions.

4. The overcautious character in the movie constantly double-checked their surroundings for any potential danger.