Collocations for undecided - adj.
ADVERB
truly
Only about 5% of the voters are truly undecided.
Only about 5% of the voters are truly undecided.
still
as yet (esp. BrE)
She is as yet undecided about her career.
as yet (esp. BrE)
She is as yet undecided about her career.
PREPOSITION
about
He is still undecided about what to do.
He is still undecided about what to do.
as to
They are undecided as to whether to buy a new car.
They are undecided as to whether to buy a new car.
on
The government remains undecided on this issue.
The government remains undecided on this issue.
Undecided is used with these nouns:
voter
voter