undecided – English adjective declension

Adjective: undecided

Comparative	more undecided
Superlative	most undecided

The question of man's destiny is still undecided.
The result of the election is in doubt because of a large number of undecided voters.
First, you say, you do
And then you don't
And then you say, you will
And then you won't
You're undecided now
So what are you gonna do?
Now you want to play
And then it's no
And when you say, you'll stay
That's when you go
You're undecided now
So what are you gonna do? [1939, “Undecided”, performed by Ella Fitzgerald, Chick Webb and his Orchestra:]
Perot was witty and comfortable in his own skin, which I thought would reassure his supporters and perhaps sway some of the undecided voters. [2005, Bill Clinton, My Life, →ISBN, page 439:]
But she’s on text chains with scores of Jewish voters in this swing state who are still undecided and open to arguments from Republicans aggressively pursuing them. [2024 October 22, Dana Bash and Courtney Pence, “In battleground Pennsylvania, undecided Jewish voters could help swing the election”, in CNN:]

From Middle English undecided, equivalent to un- + decided.

English adjective forms of undecided