Hesitant (adjective)

1. Being uncertain or unwilling to take action or make a decision.
2. Feeling or showing hesitation or reluctance.

Origin:

The word "hesitant" comes from the latin word "haesitare" which means "to stick or cling." it is used in the 16th century to describe being uncertain or unwilling to take action.

Examples:

1. The candidate was hesitant to answer the question.
2. He was hesitant to commit to the plan.
3. She was hesitant to trust the new employee.
4. I was hesitant to speak in front of the large crowd.
5. The company was hesitant to invest in the new technology.