1. people who have not yet made a decision, especially voters who have not chosen which candidate to support
Usage: political context; plural form

Examples

• The campaign focused heavily on winning over the undecideds in swing states.
• Polls showed that undecideds made up 15% of likely voters.
• The debate was crucial for reaching undecideds who might change the election outcome.
• Political analysts studied what issues mattered most to undecideds.
• The candidate’s final speech was aimed directly at undecideds.
• Undecideds often make their choice in the last few days before voting.