Definition of "undecided" in English

adjective

1. Open and not yet settled or determined.

   • The question of man's destiny is still undecided.

2. Uncommitted, not having reached a decision.

   • The result of the election is in doubt because of a large number of undecided voters.

noun

1. A voter etc. who has not yet come to a decision.

verb

1. simple past and past participle of undecide