Dither (verb)

1. To hesitate indecisively between two or more courses of action.
2. To behave nervously or indecisively.

Origin:

Late 16th century: probably of imitative origin.

Examples:

1. He dithered about whether to take the job.
2. She dithered over whether to buy the dress or not.
3. The company dithered over whether to launch the product or not.
4. The government dithered over how to handle the crisis.
5. The pilot dithered over whether to attempt the landing or not.