Definition of "undecided" []

• Not yet determined or settled; open: Our position on this bill is still undecided. (adjective)
• Not having reached a decision; uncommitted: undecided voters. (adjective)
• One, such as a voter, that has not yet reached a decision: "Will this joint interview make up minds among the vast throng of undecideds?” ( William Safire). (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "(Soundbite of music) INSKEEP: Some Senate races remain undecided this morning."
• "Yeah, but undecided is at 18% and he hasn't spent a dime yet."
• "Of course, that can get pretty bunched up looking so I remain undecided about what to do."