1. a person who is indecisive or hesitates excessively when making decisions
Usage: informal; chiefly British

Examples

• He's such a ditherer—it took him three weeks to choose a paint color for his bedroom.
• The committee was full of ditherers who couldn't agree on a budget.
• Don't be a ditherer; just make a decision and stick with it.
• She accused her boss of being a ditherer for constantly changing the project deadline.
• The ditherer spent so long weighing options that the sale ended before he could buy the house.
• In business, a ditherer often loses opportunities to more decisive competitors.